历年初赛试题汇编

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⚪1988ᐰᓄ⚪ஹ15ᑖᨵஹஹஹᱥᱥ஺1
ᑏᡠᨵḄ#ᱥ$᜜&'()ᵨ+,-.Ḅ/01234஺2
ᑏ56-.7ᔜ9ᱥ:ᒹ<(=ឋ9ᱥ2+?56ᱥ7@ᱥ'()A+-.Ḅ/01஺Bஹ4ᑖ@CᙶᙠFGHḄIᑁKᙠLᓱIN☢஺$C᪷QR34(ST☢ULᓱIV)WᡈYZ[ᧇḄ஺]6^_஺`ஹ9ᑖabᙠcdN⌕ᵨfgᑺi◀bkᑁḄlmnᢞlfgᑺᵫLCnO,2NH42CC>3qᡂ஺stuvw10࠷,ᵨfgᑺy'⌕Az{NaOH)|}-.஺1
l?fgᑺ-.Ḅ/019ᱥ~V+=ឋḄ2
tuvw10࠷y,ANaOHZ|}-.ᑏ-.1஺ஹ17ᑖ3ᵨᐰ)■WIIyᙶᙠḄC_ᔣT᜜஺UᑁᨵᙠtᑖḄᔠᱥ஺᝞ᨵ¡/Z¢61£68%NaN3¤¥ᓄ§ஹ0-5%NaNO,0£5%◌©ஹ23£28%Fe23ªஹ1£2%SiC>2ªஹ2£6%«¬®vU¯ª°±A²ᡂ³N&ᙠ´ᜧ¶&¶·ᙠ¸¹T஺Iy&ºᙠ10»¼107¼ᑁ¾ᑡ-.¢2NaN=2Na+3N365࠷ᑖ-.ᙠº30»¼ᑁÀᡂ&ᑁᐙÂ32MÃÄᜧ&ÅCT஺ᙠ)NḄ100£200»¼ᑁ“Çᜫ”&ᡠ):ÊC-Ë&ÌyᑁḄ§ÍᡂÎᓄ§஺1
ÏÐZÀᡂ56¾ᑖஹ®ᢝᑖஹᡂḄ“Çᜫ”ஹNaÍᡂNa,0Ò0ᔜ◤ᱥ஺ᙠ¡/ÔᱥÕ56Öᵨ2
×ᑁ·300gNaN,ᙠᐙÂØy&ᑁᨵÙzÚ1C²&300K
஺3×ᑁ²ÛÜᑮ4ᜧ²$yZ350K
஺ÞḄÚᨵÙᜧ3
¡/7Fez஺?Ḅ{Và᯿âãḄ4
¤Øä¶7`´Ø^wåᡂæç&N—Nèé116pm
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î᪵ðᑮñᔠᱥᙠ30»¼ᑁòóᑖ&ôõ:[öஹᰦøùஹ10ᑖᐹᨵûᐝឋḄᓄᔠᱥACHO
2ý⏚ÿ
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஺1᥅A⏚!"1᥅ᵬ⏣%&ᓄᔠᱥBC4HQ4஺B⏚⏍
"+⏚஺B,HNO3-ᓄ."/0ᐝឋḄᐗ⏚C஺ᑏ6AஹBஹCḄ8᪀:ᨵᐵ
:஺=ஹ7ᑖCH
SiCl?@AᱥBᢵDឋCMbSiOHEFG99࠷
,Iὅῃ?ᡂ33CH33SiOSiCH3<,31ᑏ6CH32SiCb?@LMῃ?IAᱥḄ8᪀:N2
ᑏ6CHjbSiCbOPCHjSiCLa?@LMῃ?AᱥḄ8᪀:஺Qஹ10ᑖᑴᜓ+₝⏚UVIII
⏚WK3FeC2O/•3&OḄXY᝞[G\]6.5g₝⏚^VFeCO-2HO,_`ab10gKCO-HOḄ30cm?cde஺ᵫghi2422242᠒᠒ᐭ25cm36%ḄH2O,llᤅnLoᢝcdqrBs403tH2O2Iucd!vEᓽᨵFeOH3xy஺Bc@FeOH3ᐜ20cm3Hze2O4cd10gHCO-2HO2242ca?ᡂ100cm,cdᯠIᙠoᢝ~EḄᩩ[gH2c2O4cdᑮFeOH3“ᜫ”Bs5cm3H2c2O4cd⌕PḄ₝⏚஺de30cm3⏣q!.᪆6ḄOPᨔc@஺ᙠᨩᜐᓾᐸ᪆6KFeCO
•3HOᨔ஺324321
ᑏ6ᡠᨵḄ
:N

1(2)B⌕ᙠᨩᜐᐸ᪆6ᨔ(3)B⌕⏣(4)FeCaCX,2H2O¢cᱥ£¤᧕¦ᑮ§¨ᨵ©ª«Gᵨ(NH/SO”•FeSC)4•6®0HCO•2HOBᧇ(ᔠᡂFeCO♦2HO°ᵨ±²ᧇ)³´FeCO-2HO,ᐸµ2242242242¶·᝞¸¹º஺»¼½±¾ª«஺¿ஹ(6ᑖ)ᵨÀÁFÂÃḄÄÅhᙠ100%H2se[ᑡ⏚ÇÈ⊝Aᱥ(ÊË)ḄᱥÌḄP(n)oᑏ6ÍÈḄ:஺HNO+2HSOAᱥḄn=4324H3BO3+6H2sO4AᱥḄn=67I2+HIO3+8H2sO4AᱥḄn=16Îஹ(6ᑖ)10cn?0.20᥅/ᓣNH/Ḅ(ÑÒ)⏣cd10cm'0.20᥅/ᓣC2HsONaḄ(ÑÒ)⏣cdÓᔠ஺Ôᡠ"cd(20cm3)eNH/ḄÕr஺▬G(ÑÒ)⏣ḄᵯÊØᦪK=8.OX1O-2O,NH4+ḄᵯÊØᦪKa=1.0X1஺-%ᓝஹ(6ᑖ)æᴻ¤ᘤé[ᑡᱥÌêëI.ᵨì²íîᑺíïᑏ6ᨵᐵ
:஺ð/Äᵨíîᑺ¤ᘤñὅ»òó§஺(1)ôõᮞ?IḄêëN(2)V÷øùḄú⁐êëN(3)ỚḄêëN(4)ýḄêëN(5)ᵨþÿ⏚
Ḅ(6)Ḅ(7)⏚Ḅᑺ(8)Ḅᑺ“”஺ூ#ὃ%ᫀ௃(ஹ(1)3NaCO+Al(SO)+3HO=Al(OH)I+3NaSO+3COf*+,-⁐/01232432324223⍎5஺NaCO4-2HAc=2NaAc+COt+HO*+,26⍎5஺Na2cO3+G7H33coOH=2322G7H33coONa+NaHCO?;*+,78஺9ᱥNaHCO?ᑏᡂNa2co3,Na2cO31C|7H33coOH9ᱥ=CO,Na2cO31A1(SO)9ᱥᑏᡂNaHCOᙳ?ᑖ22433(2)CO,NaCO+CO+HO=2NaHCOA1(OH),A1(OH)+3HAc=Al(Ac)+3HO2232233332C17H33coONa,Ci7H33coONa+HAc=CHCOOH+NaAcI733AஹᓱCᙠEFஹᑷCH᣸5J⁐KLὅNOPQR=SᧇḄ஺QRᑖUVWXUᦪZ[\]RᑖUVWXUᦪ஺^ஹ(1)3Cu+2KCrO+12(NH)2CO=[Cu(NH)]CO+[Cu(NH)4](HCO)2+22743343332[Cr(NH)](HCO.,)3+2KHCO.,+7HOoᑏ`UaḄ?ᐰᑖ362(2)c\10࠷,efNaOHgNH3h᧕ᡂNH3,jklᔠN19ᱥVHCO3-nᔠNgo⊝qr஺3Cu+K2Cr2(D7+12(NH3)2CCh+1ONaOH=3[Cu(NH)]CO3+[Cr(NH.,)6]2(CO.,)+KCO.,+34325Na2cO3஺9ᱥCKNH?^+┯Nuo⊝Nᡷ1ᑖN9ᱥVᨵCO2x?ᑖ஺9ᱥVᨵHCO?(ᱥVOHyᦪZz{|N}~ao⊝ḄNxᡷᑖ஺ஹ(1)NaNsᑖN2N◌ஹSQᔾ▬N2ஹ.Fe,O,.gNaqᡂNa2஺(2)169.7(ᓣ)49.5(ᓣ)(3)6Na+FeO=2Fe+3NaO(4),,N,,N,N,U£,N,N,,N.XᧇNᒴஹ232(5)ᡂNgஹ᡽ᦣNNᡠ“ᐰ”ᵨ\Nxg2ᓣ஺¡ஹA.CH,OB.C4H8஺4C.CHOᶍ5n4464H>CCH,VfH,CH,CH,£ஹ(1)H,cj/ஹ/CH,Si-0¥¦ᡂ£ஹ§ᐗ©ª?2ᑖ(2)-Si-O-Si-O-Si-O-ᑏc:C,/\/\CH,OCH,H,COCH,5¥ὶn᪀?3ᑖ஺ஹ(1)6FeCO+3HO+6KCO=2Fe(OH)+4KFe(CO4)3(ᵫ\ឋᡠPᨵ°2322224332ᑖFe(OH)3±ᡂ)2Fe(OH)+3HCO+3KCO=2KFe(CO)+6HO3224324324322.²=KsFeGOJ•3%0(ᡈ%KsFeGO஺)N´ᐝ¶᧕ᑖ஺3.²K3Fe(C2C>4)3´ᐝ¶᧕ᑖ·H2c᧕¸ᑖglᔠᱥẚ©NᡠPxºᵨ»6¼½Ḅ}¾g᪆5ᨔ6஺ᵨ»ᐭ[ÂÃ᩽ឋᑺ——Æ⏣NPÈcᑺᔠᱥḄ᩽ឋNglᔠᱥ(ÉÊ)ᙠÃ᩽ឋᑺVËÈc(zÌzXᳮ)nᨔ᪆5஺4.xÎÏ஺²±ᡂFeCO-2HOÐHVᨵ(NHJSO41H2so”H2sO4O⏚Ñ1QOÒ242

2(Ã⏚᪷)nᔠᡂH2c2஺4,ÈclÔ6C2(V(Ḅ¼ËNÕÖlᔠ஺ᙠ»Æ⏣H,(NHN2SO4Ë×ÈcN²ØᨵÎÙ᪆5(NH)S04ᨔ6Ng^₝⏚É⏚
ᨔ6xÛ஺.HNOj+2HSO=NO++2HSO+H0+HBO+6H,SO=B(HSO)^+2HSOJ+3HO24243334443+7L+HIO+8HSO=5I++8HSO4+3HO+32433Üஹ9.0X106mol•dm^3ᓝஹপᵨHC1ᡈHNC)3,CaCO,+2H+=Ca2++CO+HO22(2)ᵨ⏚,Fe(OH)+3H+=Fe3'+3HO32(3)ᵨKI,12+y=x(4)ᵨNaOHà〉â»,3S+6OH=^=2S2+SO2+3HO32(5)ᵨH2c2O4,2KMnO+11HCO=2KHCO+10CO+2Mn(HCO)+8HO42242422422▬,জ(äåæᑺOçÂḄNᡠPèᙠ⏚ឋéêVkëḄᩩíঝᵨï═⏚
ñ▭ᱥ=MnO”ὅ1H2c2஺4(×Oᙠ⏚ឋéêVkë)Ḅa=,MnO+3H2CO4=2Mn(HCO4)2+2cO2+2HO2222(6)Vó¼ËḄHNO3,3Ag+4HNO=3AgNO+NO+2HO332(7)ᵨ⏚,Fe(OH)+3H+=Fe3+4-3HO32▬,²=FeSO4VḄFe?+ô஺2(õ2)öᓄᡂFe(OH)3஺8.øᴻú“”O1Si஺û(øᴻV)ᦑNý¾ᵨåæᑺþX஺1989ᐰᓄ⚪•ஹᑏᑴᜓᓄᱥḄ(ᢥஹ……ᑖᵨᙳ)஺!ஹᑏᑴᜓ!"ᓄḄ(ᢥஹ#……ᑖ$⏚ᵨ&'•)஺)ஹ1.*ឋᩞᧇFezCh.ᵫFeSOa0ᑖ1ᑴ2஺ᑏ34஺2.ᙠ6⏚789KaFe(CN)6NaNC>2.2:NO஺ᑏ4஺3.ᙠ⏚ឋ789NaNO?KI.2:NO஺ᑏ;4஺ᢥ<ᑡ>?@ABCDE(1)ᐜGNaNOzHᐭ⏚ឋ78JKHKI,(2)ᐜLᔠKI⏚ឋ78JKHNaNOoNOὅᑴ2ḄNO:Q24.RᮞT2Uᓄ┛(CaS$)W⏚┛(CaSzO?),ᑏ4஺Xஹ᝞Z[\஺]ᓇ9_`a&H0ᵨ`bᘤᑁ_஺2,Uefᑁ_g`h>i8g☢ᢝl஺manᵯH0pq஺rᡂJpbᘤᑁtuឮwᑮhtu`Uef>i8g☢yᢝl஺1.ᵫDEz{|2ᑮ}~zQ2.hbᘤᑁ_ᡈN2O஺ᑖ᝞DEឮwᑮtu(⌕ᱥ')`Uf>i8g☢ᔲᢝl஺஺Uஹtஹ<)⁐A,25ஹ8090࠷2ᐸ᥅¢£¤ᑖ&58.0ஹ20.6ஹ20.0¥/᥅¢஺25ஹ80ஹ90࠷<ᔜ11dm3CH¨')©⁐ᑖ710dn?ª9`ᡂḄ78ᙳ«⏚ឋ஺1.⁐&¬2.ᔜtu<᥅¢£¤'Ḅ.|3.)78Ḅ'(®71J78tu¯')`ᐸ᥅¢$uḄ°±²³Q´ஹ1.ᑏFe(III)µᙠ789Ḅ¶·34஺2.ᨵ¹¤b`Fe(III)µ஺º஺3.½1.Ḅ789H¹¤¾`ᨵ}~¶·QOᙠ஺4.ᙠ¹¤2moi/dm^HCl789HFe(III)ஹµஹF,º¶·`¿.|DE2Ḅ¶·ᨵO'QÀஹᙠÁÂÃ(FeS2)ᙢÅ`ÁÂḄõ-Fe?`RÇ☄ᙠª9`⌲ÊË"ᓄ஺ᨵᐵḄ.ঝ|FeS+(),£♦St)r+Fe?+2(W1ঞ+஺2|r+FeS?()টFe3+WFe(()H)zw

3⊤Ð᝞<1.ºᑏজÒঠḄÔÕlḄÖ34஺2.᝞{Ã×9ªØÔᡈÙªÖÚÛÜÃ`ÝḄÞß}~Q&}~Q3.ᙠঞஹট9`}~ᱥ£Ë"ᓄQnâÃḄª«⏚ᡈãឋQ᝞{ঞ9⌶åæÔÚçèmÖ`éyᨵFeSzᒕë`ìíq}~z{QîஹGCaCkïNa2HpeÖ478Lᔠ`.2ð⏚î┛Ca8H2ÔPO“6•5ñ஺ᨔóô`Gᡠ2óôö÷H0.øª1ùᡂúûðᮞRzᨔCaPOÖ3ÔOH
»ᑏª1Ḅ34ü<54ᑡN⚪஺1.<ᑡ>?9`þÿ
ᑮḄᮞজlmol/dn?CaCl50cm3Imol/dn?NaHPO30cm3ᔠᡠ
CaJ^PO
•5HO2242஺ᙠ80cm380࠷"#5$%஺ঝlmol/dn?CaCl250cm3lmol/dn?Na2HpC^Ocn?ᔠ'(ᙠ80࠷"#5$%஺2.ᙠ)*ᢥজ,ᑴ
Ḅ.ᱥ0Ca10P᥅341.5஺56Ca8H27PC8486ᨵ:᥅3;ᑖ4=>ᓄCaPO
OH
?543@ஹBᯠDEEFᙠGᨵHIᓝᑖᨵKLḄMNO⊤ᑡRSTᓄᔠᱥḄU᪀ஹᑖWXஹᑖWYZ[U᪀XᑖWXᑖWYZ[7\8(1)H-O-HHO181002(2)H3coHCHO32644(3)H3CCH2OHCHO4678260(4)H3cz-OHC2H4O260118□5
4ᦋ4CHO585636(6)HCCHCHOHc3HQ6097322(7)CH3CH2OCH3C3H8஺60111.ᑏ71
a7
ᓄᔠᱥḄᓄbcd஺2.efḄZ[ghijklmn⚪fN78I/ᓝஹᓄᔠᱥCH,CHY-C-OGH,pqᙠrstu⊤☢ᙠᦪxyᑁ{|}ᓄ~UᵨiḄᔠ஺1.ᑏᓄᔠᱥḄᓄbcd஺2.}ᓄUḄᓄbᓄᑏX஺ூὃᫀ௃ஹ1.Fe+S=FeS2.ᓄ4Ag+2HS+O=2AgS+2HO22223.W⏚Hg2+HS=HgS+2H+4.⏚NaSO+4C=NaS2242+4CO5.ᓄ2NaOH+HzS=Na2S+2H2஺¡ஹ1.¢⏚CU+2HSO=CUSO+SOt+2HO2.£¢⏚S+2HSO2442224=3SOt+2HO3.¤¥S+O=SO4.ᓄ¤¥2HS+3O=2SO2+2HO22222225.¦⏚§⏚NaSO+HSO=NaSO+SO,f+HO6.⏚#ᑖ¨2CaSO=2CaO23242424+2SOt+Of22©ஹ1.2FeSO4=FeO+SOf+SOf2.KFeCN
+NaNO+2HAc=KFeCN
+NO232346236tᓝKAc+NaAc3.2NaNO+2Kl+2HSO=2NOt+l+2NaSO+2HOª72
,2242242Ḅ.ᱥ«஺¬NaNOzᙠ⏚ឋ®¯ᑖ¨NONO2«4.3CaOH
+12S=2CaS+CaSO+3HO2s232°ஹ1.¥±.ᱥᑖW0¡²¤³W஺7´µ¶·ᐸSO?
2.¹º¥%»¼¯½☢ᢝ¿஺¹N?஺%SImolN?஺S|ᡂImolN,ÁÂmol¥᝱Ḅ¤ᓄᱥ.ᱥÄÅÆᜧ஺ᦑɼ¯½☢Ê˼¯☢஺Ìஹ1.HF2.HFiÍUᔠÎᦑ஺3.ᙠÏ®¯ᐸ᥅3¢ÐÎ425ஹ80ஹ90࠷
2.901.031.00

4Ñஹ1.2Fe3++2F7ᡈ31
=2Fe2++I7ᡈÓ⁐®¯஺22.Fe3\ÕÖᔠ×Fe3+¢ÐÙÚ஺3.¬FFe3+ÛÜ8Öᔠ׿⊝ᔣᙠßà஺Ó⁐á஺4.¬âH-|ᡂHF,×1Ḅ¢ÐÙÚãÐä´ᑭFe3+æḄÖᔠ஺¬çᨵ:YFe3,1Õ{|ᓽhµMáḄéÓ⁐஺\ஹ1.02FeS+7O+2HO=2Fe2++4SO2-+4H+®FeS=Fe2++S2~ঞ4Fe?+ᓝO2224222ᓝ4H+=4Fe3++2HO@FeS+14Fe3++8HO=15Fe2'+2S0?~+16H,ঠFe3++3H2O=222FeOH
+3H\2.FeS2ᔣFe0H83>ᓄ஺¬ìí%Fe3+îï¨஺ᓽðñঠòó3ট஺3.ঞFe?+p¤ᓄটFeS?ḄSp¤ᓄ஺õ⏚ឋ஺FeOHb®¨஺öஹ5CaHPO
-5HO=8CaPO
OH
+6HPO+17HO824625433421.2
¬71
ᣵRH3Poø2.56%>ᓄ@ஹ1.ஹᵬ⏣ஹû⏣ஹû⏚ஹüýஹü⏣ஹᵬûþ஺2.1
1ஹ2ஹ3ஹ4ஹ6ᓄᔠᱥᑖWÿᨵᡠᐸᓄ5ஹ7஺2
2ஹ3ஹ6ᱥᑖ஺3
4ஹ6ஹ7ᓄᔠᱥḄᑖ஺4O-HOᡂᑖCMCXCCH,ᡠ஺7!6஺3OH-
CNCH,CNII|ᓝஹ1.a-#$a%&'⏚)*+2.nCHCH-XXH-ECH-C---------3-.125COOC,HS1990ᐰᓄ⚪%ஹ,8ᑖ-ᓫ/01⏚2ᔠ,1
345ᡂ41⏚6Ḅᓫ/7ஹ஺,2
345ᡂᨬ9:ᓄᱥᡈ<:⏚Ḅᓫ/7ஹ஺,3
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@A534Ḅᓫ/7ஹ஺Bஹ,6ᑖ-⏚CD⌕7FG

5¾Ã8697.20.80ᑏ|ËÌÍrᓄᔠᱥᙠV¾0¾Ã¾A5Îᑖ34ḄsᔣÐஹ,10ᑖ-TÒs☢ÔÃ0VÕNH/0H3O+,ÛÜᑏH+-ÕNH2-0OH-ÕNH?—,ᨵJàᒹâN3--0-Õ஺,1-¼½ᙠ¾ÃA5ᑡBã34NH4CI+KNH=KC1+2NH+2NH1+PbNH=Phl+3NH?2242]ᑏ|ᙠV¾A5ḄíËB34ÕḄ34s}~஺,2-îᡂ¨ï²ᑡ34s}~,Mñò-M+NH3fMO+NH4CI-*M,NH--22õஹ,12ᑖ-¼½20࠷J:ᓄ┛Ḅ0.165À/100ÀVøᙠ@ḄB:ᓄnùún⏚┛ḄB:ᓄnùúû00.1390.982ÀCaCCh/10஺Àý00.00130.02230.109,c;Ca,40.0O,16.0C,12.0H,1.01ᵨᢝᓄ0.982"#$%ᐭ⛳()ᮞ+,-.ᡂḄ1⁐345ᔲ7ᐰ“:ᜫ”=ᙠ?@ABCDEF#ᑡEHIJ஺1ᵫ⏚┛(O⏚P6moi/LVᵨ.ᡂḄᓄWX%ᐭ⛳()ᮞ+YZᡠ\]ᑮḄEH_`,-%ᓄa.ᡂḄ34ᑮᨬc7ᐰ“:ᜫ”஺de.ᡂḄᓄf+gch%ᐭ⛳()ᮞ+YZᑣ,-.ᡂḄ1⁐34ᑮᨬcjkl7ᐰ“:ᜫ”mn=2⛳()ᮞ+opqrstᘤCvFqwaxcYZ⊤☢ᨵq|}~஺}~#ḄYZ᎔ᐭqtᘤCh%ᐭf+gvᓄᨬclZIJ஺d}~Dcᐰᑮ)ᮞ+YZChᢝ%ᐭf+gvḄᓄᨬclZᔩ=3.ᵨ〉+J⛳()ᮞ+YZchᢝ%ᐭf+gvḄᓄ_Jk$ᨵaᑮᨬclZᨵakᑮZ஺ᵨ+⛳()ᮞ+J?alᑮZ=vCᢝឤᓽ20࠷ஹ10ᑖ¢£¤0.50¦§¨65,ᢥ#ᑡ⌕«ᑖ¬p£®¯°±L²³°Ḅ±¨´◞qaxᑖ¬¶.ᡂ·¸Ḅ¹º஺10.50¦§+5¼ᓣ3᥅/ᓣ¿⏚20.50¦§+5¼ᓣ3᥅/ᓣ¿⏚+0.1¦Àᱏ30.50¦§+5¼ᓣ3᥅/ᓣ¿⏚+0.1¦ÀÂ40.50¦§ᓝ5¼ᓣ3᥅/ᓣ¿⏚+0.41¦ÄÅÆp0.1¦ÀABEHÇᐭ#⊤ÈÉABEHVÊ⌕Ḅ`ËÌ.ᡂ͸ḄÎ*.ᡂ·¸ḄÐ**(1)(2)(3)(4)*ᑖ¬Çᐭ`“᠒”“Ò”“ᨬÒ”“ᨬ᠒”ᡈᐸÕ**ᑖ¬Çᐭ`“ÆÖ”“ᨬ?”“ᨬ”ᡈᐸÕ×ஹ6ᑖỚᙠk$YᑺCᕈEÛ⁐ஹÜ⁐……qÞßYZᕈÛ⁐Ḅ⊤YIFḄ“Ớᑖ¨”Èà(Yᑺá.âḄᔠ஺äåk$#Ớᙠ)∑çCḄYZᕈÛ⁐ᡈÜ⁐஺èéaYZᕈ—⁐ëaYZᕈ_____⁐ᓝஹ6ᑖ2᥅íỚ1(3᥅íỚ⏚⏥10Ḅïᔠᱥᙠñ¿⏚C.ᡂIO2SC>4225dᙠáõ¿⏚Cᓄö÷HSO-SOCMSOJ஺cὅùú(+Ớ(£ᓄ243

6Ớ஺ᑏD.ᡂMSOJþᐸ(+Ḅÿ
஺H■■ஹ(8ᑖ)ᓄᔠᱥ(A)Ḅᑖ
CH»ᙠᓄᓄᔾᦈ1᥅Ḅ(B)஺(A)1016"ᓄῃ$✏&(C),(C)")┤⏚,-ᓄ./0ᵬ⏚Ḅ2ᡂ஺456(A)ஹ(B)ஹ(C)Ḅ7᪀9ᑏ6ᔜ<=>
஺ᓝ@ஹ(12ᑖ)4BCDEFᑡᓄᔠᱥḄHIJKLC6H.QHஹC6H5coOHஹCHNH,C6H5cHOA52ூUὃWᫀ௃(1)CuஹZnᡈᐸ_`(2)C,Pᡈᐸ_`(3)AlஹFeᡈᐸ_`(4)AuஹPtᡈᐸ_@ஹHSO3+1/2O=HSO;H2sO4⏚ឋoH2s03p2224qஹCaO+SO=CaSO`CaO+SO+1/2O=CaSO`CaCO+S0=CaSO+CO`CaCO2322432323+SO,+1/20,=CaSO+CO,`CaCO,^CaO+COᔾt(QJCaO+SO+l/2O=CaSOv42224t(Q)`CaO+SO=CaSO.,vt(Q)`wxIQ?IஹIQI{ᜧ}ᡈ~}IQj,JᵨCaO2233oᜫt஺ஹP0/JH+7ᔠ᧕`⏚ஹ⏚Ḅ~஺(1)ᜧஹᜧὅ{P(VJH+7ᔠὅ{AF+J0H7ᔠ஺(2)ᜧFe'+J0K7ᔠ஺(3)Fe(III)Fe(II)«ஹᙠBaCl+2AgNO=Ba(NO)+2AgClI`¢£Ba(NO)2+2AgCl=BaCl,`+233232AgNO3¤ஹপHOC1+KOH=KCI+2HOHC1+KOH=KC1+HO`3222HOI+PbO=Pbl+3HOᡈZHI+PbOuPbb+H?஺322(2)M+2NH3=M(NHZ)2+H2ᡈM+NH3=MNHZ+1/2H2`MO+2NHC1=MC1+2NH+423HO`M(NH2)2-MNH+NH3ᡈ3M(NH2)2-M3N2+4NH32©ஹ⛳J«ᮞ0.165X10/74.0X1=0.0223᥅/ᓣᓽ²2ᡂ0.0223᥅CaCO,ᙠ0.9823´FCaCCh0.109X10/100X1=0.0109᥅/ᓣ,0.0223>0,0109,ᡠ¸w²ᐰ஺প{CO?º6HC1»ᦑ஺(2)½¾{CaCCh¿«ᮞFÀ`Á½¾ẆÃÄÅvᐭw²Ç¢஺(3)0.0233/0.0109=2.14,ᓽÈ⌕Ê1.14ËÌÍḄÎÏ⛳J«ᮞ஺Ðஹ(1)ᨬ᠒Óফ᠒Ó(3)ÕÓ(4)ᨬÕᨬ(2)(3)(4)o(1)Õ{Zn-Cuᵯ×(3)(4)o(2)ÕCu☢Íᜧ,(4)o(3)Õ{Cu☢Íᜧᙳᒴ஺(4)Û2ZnÜᣚC/Ḅ=>஺Þஹ(1)ß⁐á⁐஺(2)â)ᑖãäᵨåæ஺ᓝஹ2k+310+5HSO=5(IO)SO+5HO`2I+3IO+15HSO«SO=5I(SO)+15HSO2524242225243243244I(S0)3+12H0=I+3I0+12HS04Oèé=>
ᔜ2ᑖ஺2422242ᓝ@ஹ}HC1Ḅ{C6H5NH2,2ᡂC6H5NH3CI`}5%(Î)NaHCChḄ{C6H5coOH,2ᡂCHCOONa`}ÎNaOHḄ{CHOH,2ᡂCHOna`²JCu(OH)2=>2ᡂCuO6565652Ḅ{CHCHO651991ᐰᓄ⚪ஹ(10ᑖ)1.ë-ᓄ¿FelCN^-JFe(CN)6**-Û2íîᓄᓽᙠ⏚ឋ¢ÁFeCN^-îᓄF&CN^,ðᙠñឋ¢òH2O2ÁFe(CN)6,-îᓄᡂFeCNVᑏ6óôḄõH
஺2.V2O3JV2O5ᢥw÷᥅oøᔠᢥCÛ2ùᐰ=>஺úûLᑴýþ6஺|3ஹV3O7VQ|7ᱥ᥅ᔜ

7ஹ8ᑖ1.0╅ᡂᓄ╅!"0.641
1஺╅ᙠ%&'()!"*+0.64,2
1.0╅-./ᛞᤴ'23!"40.2஺5671
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!89.0.64Ḅ;<஺=ஹ10ᑖ>ᓫ@FeஹCu-.FeChAB'CD⊝21
ᨵCuᒕHIFe
,ᑣAB'KᨵL2
ᨵFeᒕHICu
,ᑣAB'KᨵL3
ᨵCuஹFeᒕHᑣAB'KᨵL4
ICuஹFeᒕHᑣAB'MNᨵL5
OPQRSTUᡂVᔩᑖXYZᳮᵫ஺Qஹ6ᑖ]ᔠAgNOABKCrOAB_AgCrO`a஺bcdefmol-cm3
AgNOஹ324243K2GO4ABᢥhiᡠᑡlm]ᔠ]ᔠBnlmopq>rs]ᔠᡂAgzCrOa`aḄ8O᥅tuᐭhiw>xy“8”|}ᡂ|~Ḅᓽ>rs]ᔠᡂAgzCrCU8Ḅ|ᡂ஺᥅Ag2c—J—I—τ~τ—τߟτ~~τ—■τ—-1—V.51015202530354045......1___I___I___I___L__I___I___I___I___v454035302520151050cK,ஹ8ᑖ1.Opefmol4mf
K4FeCN6KzCrOK]ᔠlmopᡂAgFeCN
26`aᢥ⚪Q⌕7Ag?FeCN68Ḅ஺2.ᵨpefmol•dm"
NaAcK2CYO4ᡂAgAc`aMᢥo]ᔠ7ᡂAgAc`a8Ḅ஺'bᡂAgAc`a8ᨵ.ᳮ8஺;<ᙠAg,Fe

8ëஹ10ᑖìíî'Mïð_ñò·1,8IஹJ,5óôõhᑡöᑺḄøᱥ:1.ú8HBrL2.ú8Br?CCI4L3.eKM11O4ABûü஺ýஹ8ᑖO+
ᡈ·⊤
ᓄᔠᱥᔜᑺᔲAgNF2+KMnO,ANaOH4ᵬᵬ—ᓝஹ7ᑖHgFzᨵḄឋᓽ"ᙠ2moi•dm3HF$%&'80%,(ᡂHgOHF஺HgCb+,-.(᩽0Ḅ1ᵨ25C0.0078moi•dm3HgebḄ%31.4%4HgF?ឋ56,HgCbஹHgBr2Ḅ789:;H■■=ஹ11ᑖ>?⏚HOOCCH2coOH

APQioᐳCDAEFAḄᑖGHIEJᙳᑖGHḄ?LMAᑖNH2OஹN%(ᡂ>?⏚ஹ>?⏚O஺A஺2Pᔠ⍗RS.(ᰦU஺1.ᑏWAḄᑖGXY᪀X42.A[H2OḄX\J43.A[N%ḄX\J44.A]^=_ᓄᔠᱥ`ᢥb_ᓄᔠᱥcde஺ூgὃiᫀ௃=ஹ10ᑖ1.2FeCN
4-+HO+2H+=2FeCN
3-+2HO42FeCN
3-+HO+2OH-52262622=2FeCN
4^+2HO+Ot.lX2ᑖm\JnDᑖ6222.2VO+VO=VO|᥅pq:2VO
;1VO
45VO+VO=4VO᥅pq;25236325232523375VO
;1VO
;5VO+3VO3=2VO|7᥅pq;5VO
;3VO
252325282523lX2ᑖnsnDᑖ?ஹ8ᑖ1.ᙠIE$tu(ᡂvᓄ╅xᓄ╅஺3Mg+N=MgN2ᑖ232ImolMg(ᡂImolMgOyz16{;ImolMg(ᡂl/3molMgaN2-yz9.3{஺2ᑖ2.:IEn|}~%&◀(ᡂMg?ஹஹMgO᜜2ᑖᑖMgᵨ$SiC>2.(ᑡ஺3Mg+AIO=2Al+3MgO4SiO+4Mg=MgSi+2MgO42Mg+SiO=2MgO+Si2ᑖ23222ஹ10ᑖ1.Fe2+,Cu2+ᨵFe3+ᑖᔜ1ᑖ;2.Fe2+1ᑖ43.Fe2+1ᑖ44.Fe3+,Fe?+ஹCi?'ᔜ1ᑖ45.◀2᜜ᡂ1ᑖ஺ᐸ$1HḄFe0.5ᑖ42$ᨵFeᒕᨵCu1ᑖ43MḄCuஹFe1ᑖ44-HḄCuஹFe0.5ᑖ஺V^AgNO,VAgNO,VK,CrO,VTeCCN,1.2.2ᑖᶍ4AgAc+%ᜧᙠ+ᱥᑡ$2ᑖ஺ஹ12ᑖ1.1X1000X0.95X0.02X22.4X10123/32.0X14X103=950ppm6ᑖ2.0.18X0.95X106x24X365X0.9X0.8X0.035=3.78X1
4ᔴS
X=1.56X1
3ᔴNHJSO4L5ᑖY=2.O3X1
5ᔴ,CaSO4•2m01.5ᑖZ=1.65X105ᔴ,70%H2s%L5ᑖஹ10ᑖ1.Cr2஺+4H2O2+2H+=2CrO5+5HzOH5ᑖ;4CrO+12H+=4Cr3++7O52+6H2O1.5ᑖ4XZCnO??=+802+16ᵪ=4;¡+702+16q02ᑖ

92.lcm30.020mol,drr?¢0.020mmolKCrO77
A0.80mmol஺2ᑖ223.v
=O==O—O—£v¤FACr
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2ᑖHgBr2%³´⊤5HgBr2qHg஺³ᵯ°ᡈHg?+AḄ¶Ḅᐳ·ឋ,Hg2+C¸HgBr?³+2ᑖH-=ஹ11ᑖ1.CO
2ᑖO=c=c=c=o
2ᑖ322.C,O+2H,O=HOOCCH,COOH
2ᑖ23.CO+2NH=HNOCCHCONH
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1ᙠÝ(ÞḄßàᨵ=ÌáâãÑäåæß$Ḅçá°GÐÑèéᡂÑäḄê♆7
ᵨFez஺?ᩭ⊤ᐸ$Ḅáíᩭîïðᩭñᡂáò4óôᵨ⏘3öᓄᑺḄḄ÷=ôᱥCO2,Ñᙠíèéᡂᨵøᱥ7ᵨᵬᩭ⊤ᑏW\JḄ°GÊËX஺
2ᙢᳫᓄÉûᵨüýþü¾òÿ
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45ᑏ378Ḅᓄ:;<஺>3⚪10ᑖᱥBCDCUSO5H2஺E(FGᐭᙢJ⍗ᑮKFeSz,LMNOLCihSḄ12PᩭRS./TᑮḄ4UᑣWᐭXYZᕡ\]^_`a⁐ᕈd⏚ឋᙠᨵḄghijᑮklᐹᨵdῖ⇨ឋḄᙢJpqrG3ᙢ☢tu./iNᵨwxᓄ:;<ᩭ⊤z5ᑏ37{Ḅᓄ:;<஺>4⚪10ᑖᑴᜓU~U⏚Ḅ;wᓄUUᓄ4⏚᥅21Ḅᔠ஺ᙠ./<%ᐜᡂK⁐Ḅᐸᐜ⌲ᯠ⌲ḄpHᑮ7'$FY⁐./¡¢£ᡂ஺᝞¥¦§ᐭᓄUḄpHᑮ5,,ᨵᱥ¨3©஺ᑏ34Nt©ªᨵᐵḄᔜx7Ḅᓄ:;<஺>5⚪10ᑖ®2.5¯KCIO3°±²F³´ᓾḄ┵·%¸ᐭ5.0¯ẆºḄH»¼ᐭ3cmᙠ45ᑖ½ᑁ^¿À₩ᑖᢇ¸ᐭ9ÃlOcn?ÄHC1,Åᑮb£ᐰÇᜫÉÊ᦮x./<Ìᢝᙠ40࠷NJ஺M┵·²F³%´ᓾTᑮÏK⁐ḄᨔA஺MA²FÑJḄÒḄ5Ó%-©AᨵᓣÕ©ªᵨÖ×ḄKI—Ø°5ÙᙠÓÚÛÜ5ÙÝÞ.#Ḽ5Ó²Fá%ᨵKa⁐ḄâᡂÓᑁḄ⌲Ýᡂãä⁐஺MAᑖå4KI,Na2s2O3,H2sæ./ᙳ✌ᐜᡂé⏚ឋḄKM11O4iMA

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ᔠḄ65cm3,ᓄᒕḄḄ45cm3஺ᡠᨵḄᙠ᪗᝱
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AᡠUḄᓄᔠᱥVWXYZ[,*T-2
YZVWḄᓄ^_`abᔠᡂᓄᔠᱥA?ᑏ_`ᱥ,ᐸNḄᨵ>ᱥᵨP᪀)⊤S-஺*8⚪,10ᑖ-fឋgḼᑺiKj⏣iK⏚KjmnoឋfpᑴrḄ஺,1-ᑏiKj⏚ḄP᪀)஺,2
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᜜ßàᙠ•%□C¨•%▢C,¢ὃ⇋ᑺᔠᓽºᔠḄᡂᑖ-æçÃḄèᦪ«4T1,□Cßéèᵯ₹஺ᵯᵯpᙠ□᩽¡᪆Ìᙠ▢᩽¡᪆í஺ᵨaº¬ᙠºNᵯCḄPbhîᑴḄPbkḄºᩭï!A,ðᑮñò¦AḄÐ⁐óôõ¦§ḄÌᐰ|bÊUÌḄ÷)᪆஺øùᑡÂ⚪T1-ᑏANḄᵯp9Ḅᓄ^)2
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27Ḅ¥Ḅâã——^_:äåãâᔣ_ç஺⌱ᨵ¡EXY¢ᓄ¢ḄS•TḄᓄ¢ᔩi¦⚪§áé☢ëå⌱Ḅᓄ¢Ḅ¾Ḅὃí஺¦⚪§î¡E:¢ᓄ¢Ḅïᯠðñ@òÇNᡂe⚪஺U᝞@ᵬFḄóᓄ@¢ᓄ¢ᦟõö:ᨵḄ@¢ᙠ¢÷ø:N:eYgùúNᑮûãḄó_ᵬFiᯠ@rsòᨵRüýḄgäãåãḄþ᳛:ᔲ
⚪ᨵ4ஹ5Ḅ!"ᱥ$2%&'()*+,ᨵ6&A-஺/0ᵨ-3!"ᱥ4ᓄᑮ73!"ᱥḄ89ᩭ;<,ᨵA=ᡂḄB1?B2@ABᓄ(Cᐳᑮ47!"ᱥE)ᑖ᪆HIᡃK,MNᓄOPQ&RSᨵT᜜VWXTᚪZ〉\⊡ᐙẠḄ,☠ᢥbOᓄOᜧdefḄTᚪᦟO&h)ᙠPQbjklḄ஺ᯠ/ᙠT᜜VWn⊡ᐙḄᓄO,▲%bOᓄOḄpᯠ"qr◤⌕ᜧu⊡ᐙᜧOᓄOᩭvᑮᜧOᓄOwxyz{Ḅ|}஺ᡃK~⌕PQḄᜓbOᓄOᐰᙢ⌕O"ᜧuḄᜧOᓄO஺nᙠ“”Ḅ⚪஺᝞“”◤⌕MNPQᦟḄᐳ஺ᙠᨵ2ᐰḄᔣ&⌕ᓄOPQᐰᙠbOᓄOᜧdḄ|}&⌕PQᙠuḄ|}ḄẠ஺ᡃKḄ¡¢&u£bOᓄO|}☠¤&¥(¦,ᢥbOᓄO|}efPQ§&ᡃ¨ḄbOᓄO|}(ᢣZᓣO⚜ᜓᦟḄᓄOT®Ḅ|})°±¨▭bOᓄOᦟvᑮḄ|}ᙠy³“☢ᔣµ¶”Ḅ·Ḽ¹,ᙠbOᓄOẠᓄOPQᙠ▤»&(fḄ஺ᡃKḄ&¼ᙠᡃK½¾bḄ“¨▭bOᓄOḄ|}”Ḅ¿ÀḄᓄOPQZTᚪᦟOḄÁÂ?⊡ᐙ஺2.100.0gÃ|ÄÅᓄÆÇ%100.0g|஺ᙠTÈÉFtJÊÇËᵯÍÎ1=6.00ÏÐᵯÊÑÒ10.00ÓÑ஺ᵯÊÔÕÈÖ×ØÙT,ᑖÚ᪆ÛḄKOH2°0ÜÝÞßᒕáÇËḄCâu164.8g஺ãÈÉä100gÈ/࠷0102030ÇËbÃ|ÄÅᓄÆḄâuE(å⊤)஺ÈKOH/g49.250.852.855.8T,çÛèé®ᨬÞèéÔë,⌕îᨵᦔᦪñ஺(15ᑖ)òE¢óôõᦪF=965X104C/moLX§öâuEK39.1H1.01O160ூø᪆௃(1)ᡃKCúᡃ¨bO"°¨▭bO"}ᙳèé¦ü☢ᡃKýþÿ⌕ᙠᓄᜫᐸḄᓄḄ᝞!"#$%Ḅ&ὃ(ᨵ*⌼ឋ-./0Ḅᓄ12345ᑮ789:;<=>?ᳮABCDEᔠḄ&ὃGGH9IJ⚪Lᨵ⚪஺ᯠ9ὃ5OIᡃQQ▭SJ⌱UḄ0-VWᨵXYZ[\]^_H“ab┯d”9fᑖ——᝞┯iᦪkᑡmnopᐜrsᨬuvwnoᨵᦔᦪyḄz{ᑏᦪy}-~dkᵨᘤGG——H9ᙠIJ〉ᙢᓄ஺(2)⚪ḄḄᑖᓄᨬᜧḄ-----(EᨔḄ9¡"¢£ᱥᳮḄᵯ¦EᔠḄ§i¨⚪Ḅ©ᔠ஺ªᨵ⌱U«¬kᑮ®ZU஺⚪Ḅ"¯ẚ±£²ᵯ³´ᱥµ¶ᑖi·⌱U¸os¶ᵯḄE¹஺¡¶º»£ᓄḄ¼½஺¾¿ᨵÀ¶ᑖiᕖ·¡◤⌕kÃᐳÅὑiÀᵯ¦஺¡ᱥᳮḄǼ½(ÈÉ_ᦪᙠᓄ⌕Ê)²10.00Ì}6.00ÍÎÃᐳÏÐᵯ¦Q=It=216X103cÑ2.24molᵯÒÔᵯImol◤ᵯÒ2"ᦑᨵlÖ2molᓽ20.1g¶ᵯ஺(3)ᒕÙÚḄõ¦(200g-164.8g)¼ᨵ35.2gᱥµÛ«Úᐸᨵ20.1g¶ᵯᵫݪosEᨔḄKOH-2H,OḄµ¦»15.1gEᨔḄKOHḄµ¦»(15.1g/92.10g/mol)•M(KOH)=9.2gEᨔḄµ¦»(15.1g/92.10g/mol)X2M(H2O)=5.9gᒕÙḄÚḄµ¦ᑖᦪÞ»m(KOH)/[m(H2O)+m(KOH)]=551ß(àᶇ1âᨵᦔᦪy)஺(4)¨⚪Ḅᨬã⌕Ê£ᵯäḄå஺᪷ç%☢ḄEéÔ100gÚᨵ55.1gKOH,ᑭᵨ¨⚪ësḄᦪç(⊤)o¼T¸ᙠ20í30࠷ï஺¡££ð£ñᫀᕖ·¸óôõoᑮ¡"å÷ðªëᑖ஺ø⚪ùḄ£å9£å÷HÝúᨵÊsåûüᐰ1ᔠ⌕Ê஺ÊḄþÈ£²ÿ
ᕈឋᐵᑣT=[273+20+(55.1-52.8)/(55.8-52.8)X10]K=301K(28࠷)

28⌱ᑮ⌕!஺#$%&Ḅ(Ạ*+ᙠ10࠷Ḅ.ᑁ0ᕈឋᐵ஺%+1*2⚪ᨬ5ᫀ⌕!Ḅᨵᦔᦪ:;ᦪᨵᐵḄ஺<⌕!=>?@ᨵᦔᦪ:ḄᱥᳮCD஺᝞F=>G2⚪ᨬ5HIJ”ᨬ5&LFM⌕!N;ᨵᦔᦪ:“᪷2⚞<RST%+1஺*U⚪VW!ᙠXYZ[\ḄU⚪]1——[\_=`a஺bᯠᦪdᨵe;ᨵᦔᦪ:f&LFgM◤⌕2;ᨵᦔᦪ:<ᐕjᵨH%⌼ᡂnoᨵᦔᦪ:p.Ḅqr&`a஺*s(2Ḅ_=tᑣ஺_=uvwx[\%yz{|஺yz*}J*⌕ᐹ[Ḅ஺ᨵḄV$%⌕!஺%0Ḅz0᧜_=uv᪗ḄN%஺_=`a_=]1_=᝱ஹCzḄuvMS*<Ḅឋᦟ=*yzᦟ஺3.ᔠᡂḄᨬ¢ᐗy*112¤¥*ᵨ^ZnSt¦§¨ᘂPbḄ☰¦«¬᪶®᪶ᰚᔠf@஺_=°±o²³´ឋᐗyḄHᑡ⊦·Ḅ¸ᱥ¹º¥Ḅ»ᙠ¼ᐳM¾¿Ht¦஺²t¦ÀÁ⊦·Â³¿HSæᨬ5@ᑮÄÅƺḄÇ100¤ᐗyÈḄÉ153Z¦Ḅ;y஺(7ᑖ)(1)112¤*ÇÌᕜ
ÇÌÎᐗyÏ(2)¥*ÐÑÒ*ÓÐÑÏ(3)Ô$¥ḄᨬÕᓄ᝱×RØᑮ×Ï(4)ᑏ¿ᔠᡂ112ᐗyḄwÚ(ÛwÚZḄ᪶y⌕ᵨÜ᝞:Hஹ2ÞPbßà0á᪗Ḅâ¤ᩭ⊤å112¤ᐗyâ¤æºRᵨM⊤å)஺ூè᪆௃(1)ë⚪Ḅᜮeí⚪îïᡠᨵñòu᜜ᓄ=ᐶõö÷Ḅ⌱ÂSø@0ᩭ,qú〈ᑖüᯠ*U⚪VýñYVþÿᔥ
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ᦑMḄ*ᦪ/153+12=165,,-ᦪ/165+112=277u37°0Z7nn+τ20882PPhb=217172MM+,01n4.100.00mLSO2-flS2O32Ḅ80.00mL/0.0500mol/LḄKCrOḄឋា324
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ᑏCr(OH)JᡈKCr(OH)4ᡈCKOHᓝᡈKCr(OH)sgCr(OH),363ᑏḄ⚪"#$Ḅ%&'ᜐ஺(2)*⚪Ḅ#+,-ὃ/0Ḅᐗ2ὶ456஺56789:ᱥ<Ḅ=Ḅᩭ?ᨵA"ᱥBḄC110032-)=*E162032-)=F=⏚H<Ḅ=Ḅ᥅JᦪALMᱥ<1=Ḅ᥅JᦪḄNEᡠPQx+2yx+2y=0.9336g/233.3g/molR89S•ᦪU56VWXᐜᑏ9Z[Ḅ\ᓄ^_M`abcd=

29EfMghḄ\ᓄ᝱஺hjklmnlo8p₞஺ᵫQᨵALsḄWXt⚪uᨵvᑏZ[56wᑨᑖ஺ᢥᑏ56wḄjk(|}Ḅ`~R⚪᪆lbḄR
Z[M56wḄI7ᡃ⌱Cr(OHbRḄ:ᱥᑏḄᐸ:ᱥa᪵89ᦪᐵ)3SO2+2CrO2^+5HO=3SO^+2Cr(OH)+4OH_3᥅JSCV-2᥅JCrfV34243M32=xḄ᥅JᦪḄ᥅Jᦪ=2x/33SO^+8CrO2-+17HO=23426SO2-+8Cr(OH)+10OH-3᥅JS2O.9-8᥅JCrOMᳮ8438y/3=Ḅ᥅JᦪAMᦑᨵ2/3x+8/3y=80.00mLX0.0500mol/L2ᦪU56ὶ4ᓽ8Wx=2.0X103moly=1.0X103mol(4ᑖ)(3)_Ḅ¡¢c(S02")=2.0x]02mol/Lc(SO2-)=1.0x102mol/L(4ᑖ)஺323£〈ᑖ`¥¦§¨ᡃ©ªᜧ¬Ḅ¥/®¯°t⌕²³´µ¶஺4ᑖ·¸¹º¸¹s»$☢Ḅ½¾Cd¿uᨵdឋtRhὅªᳮÂᑖgὅÃ+ᢈsᑖ஺(4)Å⚪ḄᦪÆᳮÇḄᵨÉÂᦪÆvUlᨵᦟˬÌÍ▭ÏÐÑ/ÒhὅÅ⚪ḄÓ⚪sᨵ¬
⚪7¢ÔᵨÕᳮÇᦪÆᔲាo8ØÙᵨÕÉÂᦪÆᡃÍUᑭᵨºo8¦஺5.Û⏚ÜNa2WO4EÝ,Ûᙠ◞àáâḄᩩäåNæ8ᑮLᐹᨵÝ,ᐝêḄஹì⁐ḄஹᨵîᵯឋḄðñᓄUwNaஹWO3,ᵨXòóôòXÂ8LðñḄ45ᨔöḄ÷øa=3.80X10H0m,ᵨd²ùXÂ8¿Ḅú¢Rd=7.36g/crRûüv_ýBCW183.85,Na22.99,016.00,þÿ
ᦪL=6.022X10"moL஺ḄᡂḄx஺ᨵᦔᦪ),஺(12ᑖ)ூ᪆௃(1)"#
ᦪ$%ᓄ%Ḅ•()⌕ᭆ,-./0ᙠᔊ34ὃ⚪஺"#
ᦪ$᝞89:Ḅᕖ<9=>?@ᑗᓄ%ᡂBᨔDḄEFᨔḄGH$I:"#
ᦪḄJKLMNO஺ᐵDQ$RdVL=ZM,ᐸd$GH-V$O(ᨔTḄU-L$"#
ᦪ(VᝍᙢᑭZ[\GᱯLoschmidt^O(9=_"#
ᦪ-`▭bcdᵨ[\GᱯḄ^O(fLgh"#
ᦪḄij)-᝞k•(ᨔTlḄmnᦪopqᓄ%Q⊤sḄmnᦪ(Z=l),tuUvwqtᱥyḄ᥅{y|M_஺᝞kZ}wq1,uUdVLpᯠwqZM஺ᙠOJKLM-d,V,M$9=-"#
ᦪḄ@ឋ஺⚪$()⌕JKLMḄ⌮-$-ᑭI:ᓄ%ᡂḄJKLM஺(2)⚪ᡃNaWO(ᓽ☘⚪ᨵ})qLᨔD-ᨔTx3a=3.80X10-'0m,wqvᡃᨔTUVR.£=5.49X⚪_GHdB"#
ᦪL,V¤:ᑮRdVL=7.36X103kg/m3X5.49X10-29m3X6.022X1023moP1=243g/moloᯠ⚪¦§ᨵᡃZ=?,§ᨵᡃNa*WO3Ḅx=?v⌕¨©Ꮇ«஺$¬⚪Ḅᐵ஺®⚪Z¯h0•°%LM஺⚪±@⌕-v$ὃ²%³ᔲ⚞¶⊤·(°%LM(¸O¹_ᐰ⚪1»Ḅᑖ)஺✌ᐜ-⚪ᡃ¾☘$¾⏚ÀᵨÁÂmḄÃᱥ-vᡃxO=ᜧqÅ-Æq2஺ÇᐜᎷ«h1-ÈᎷ«Z=l,ᑣ:RZM'=M(W)+3M(O)+M(Na)=254.84g/molZM-ÊdVL¸Ë-̱Z=1ḄᎷ«$Í@Ḅ-VxḄÎ}⌼ᡂᡂÐḄÑÒ஺q$v¤ᵨdVL=M(NaxWC>3)ḄᐵDQx,:ᑮx=(243-183.9-48.0)/22.99=0.48(ÇgÓÔ:ᑮ0.49,⚪⌕2ᨵᦔᦪ-:ᑮ0.48ᡈὅ0.49$Í@×ᫀ)஺6.ᓄᔠᱥC$³®ÛÜÝᙠḄOᱥy-ÞḄZßᔠᡂL_M$R(1)ᙠáᓄᑺÝᙠãᵬ⏣Êæçèé:ᑮA஺(2)ᙠáᓄᑺÝCH=CH-N(CH)OH233ᙠãêëìíçèé:ᑮB஺(3)ᙠîÝᙠãABBèé:ᑮC஺CḄῃîÃᱥḄð᪀᝞ãRᑏCḄᔠᡂèéḄᓄ%LQ-AஹBஹC⌕ᵨð᪀Q⊤ô஺(10ᑖ)ூ᪆௃(1)(⚪õöḄᱥyC$÷ø(choline)஺÷ø$O)⌕Ḅùúᱥy-$³ᱥûᱥy——ýᾦḄᑖnð᪀Ḅ)⌕ᐗ஺
⚪ᨵᜐᳮᨵCḄḄᔠᡂᜐᳮ——(i)ᙠAI2O3ᓄᵨ!"#$%ᵬ⏣()*ᑮ,ᵬ-.ஹ0ᵬ-.12ᵬ-.234ᱥᐸ72ᵬ-.8ᔠᡂ9:Ḅ7;ᱥ(A)஺(ii)ᙠ=ᓄ!>?@A$()*ᑮBC>D(B)஺
⚪ᨵᙢFᔠᡂA1BḄ()Gᨵᑏ()ᩩCH=CH-NJCHKOH233

30LᨵMA1B8PQ஺R8ST⚪UVWX8SYZᨵḄ⌱\]^_ᑮ`Rabcdefghigὃ᪶lmSnogὃ᪶bcSnḄpqrᑣ஺
⚪tḼᢣᙠwxᙠ!A1B()*ᑮ9:C,ᓾᨵ9:Ḅ|᪀஺ᑮᨬ
⚪9:Ḅῃw4ᱥ——^:(neurin)Ḅ|᪀(2)R⌕_᪷^:Ḅ|᪀᎔——(i)^:w*ᑮPQwᑖᯠ8ᑮḄ஺᝞ᢥ᯿C=CḄᡂ£ᑣ,OH)¦ᑮ7;Ḅ§r¨©RªḄ8⌮ᔣᳮo8®Ḅ^:%wḄᡂ()¯°_)¦ᎷU²-ᨵ3³lḄ´V——ᙠ´§¨ᡈ7;Ḅ§¨;HO-CH2—CH2TN(CH3)3OH஺¿ᯠ²-ᙠ´Ḅ|᪀À8ÁÂ.........SiOH-----JḄÃ(iii)eὶÅA1BḄᔠᡂ()H2(B)(CH)N(A)*---ÂÆA1BḄ|᪀ÇὃÈÉ᝞!33)¦ᢣḄ8᝞Êqὅ̲NfCH2cH2CH30H-ᢞᙠ7;Ḅ§r¨)8ÁÂÜᫀF8Þ)Ḅ8>?Aᓄ)*ᑮ>ß஺>ßḄὶ-ᡂàá*ᑮR,3|᪀஺¯SÊq⌱\ob⍝9:Ḅ|᪀É஺³ã°⚪ḄÜᫀäᶍR,æR8ç⚪èḄᜫê஺ᡃìSRa⌱\ᨵ*ᑖíᑮîã஺ç⚪èḄR,ᜫêïðᑤò>?AᓄḄᓄᑺRrô8õö÷øùᓄ_()஺ÜᫀÞ(ᓾSb⍝9:|᪀ÉḄ⌱\ᓰàû஺(3)³üR⍝
⚪Ḅý_À8ὃþæç⚪èUõᔠᡂA1BḄ()8_ÿḄ
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/0ḄẠ2345$6Ḅ
7ὃ᪶$᪷:;⚪<=Ḅ>?ᵨᨵ▲Ḅ-.ᳮC>?ḄDE஺7.HIJ᥅LM᝱ᾦPQRᙠTU(25"C)+[\]Ḅ^_2ᓣ
aᐰcR◤eM11ᓣghijM᝱ᾦPRkᔠᱥmn5࠷,^qrᑮt^Ḅ0.933x஺;ᑏ=HIᾦPRḄz᪀|
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4-5ᡈtḄQRᙠ5࠷_᝱஺(12ᑖ)ூ᪆௃(1)C⚪Ḅᑏ=ᵨQc|ᩭ⊤ḄaᐰcRḄᓄ$~|CH2„2+(1.5n+0.5)O=nCO+(n+l)HOn+222ᑏ=|Ḅ¤:¥ᯠ;⚪§¨ᡃª——HIM᝱Q«¬ᨵQ஺(2)᪷:HIQᝯJ᥅LḄ>?
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45ᑖr%ᨵccᓫᨵC=C஺z=ᓣQ¡¢ᑖ£஺XḄ¥᪀K4⚪10ᑖ©ªu⍝ᙠ255;¬XeF4A/C6F5BF2Bᓄᔠ2´cᓄᔠᱥC,¶XeḄdᑖᦪk31%,▢´ckº»¼⏚᪷´c□´c¥᪀%ᨵBḄÀ஺CK✌ÂᨵÃÄIVᓄᔠᱥ-20࠷È*+஺CkÉ»ᓄᑺ/ÉÊᓄᑺ᝞ỚᑮÍ»ᓄỚ8Ä,ÎᑮB஺4-1ᑏCḄᓄÐÑ´cᑖÒᑏ஺Ó4-2᪷Elm¥᪀ᱯÕÖC×kᨵÃØÙᔠᱥXÓ4-3ᑏCḄᔠᡂÚÛ஺:________________________________________________4-4ᑏC/ỚḄ஺Ó___________________________________________________4-5ÜÍ»ᓄỚᑖcḄÝÞ¥᪀5⚪5ᑖߪ3ᨴá¼ᓄ╅ᙠ39KᕈæçឋKèéaæçêëḄìIÛồ஺ᙠ¼ᓄ╅ᨔÞḄᳮðñò%╅bc/¼bcKᑖó᣸õḄö÷øùú2ó╅2ó¼ᙢ`ûü5-1KýᨔÞþÿ
ḄᑖCᔣḄᢗᳫ╅ᢗᳫᢗḄ╅ᢗᙠ☢஺5-1ᵫ5—1%&'ᓄ╅Ḅᓄ)*+,o5-2ᙠ5—1/0Ḅ᪾23ᓄ╅Ḅ4ᨔ6Ḅ78᪗:ᨔ6ᑁ☢ஹ=ஹ⚔?%@AᙠḄᡠᨵ╅D╅ᵨᜧᳫᵨGᳫ⊤IJ஺5-Kᓄ╅ḄᨔLM᪀IO——LUQ’-SU'L.----------------------------------------T6⚪D8ᑖJMn^ZKMnO4^_`ᓄH2c2O4Ḅcᓄᑺ஺ᨵef:ghḄᔊ⇿+,MnDVUJm”J>MnDVIJMnqJ>MnDIVJᑣ"J>MnDIIIJ.஺uJMnDCOJn32n--->Mn2''+CO242z{|24}~ᫀᩭ~4ᔊ%ḄD}~ᢣ⌱ᵨḄᐹLᑺ◤{|J஺T7⚪D10ᑖJXᙠḄᱥY^¢£⏚¥¦⁐^_¨©Mᨔ¥ᑮ¦⁐ᨔLZ,ᐸXḄ®¯ᑖᦪ+50%஺ᙠ500mL´µ+010mol/LḄY¸^_ᢗᐭºᱏghM¼½¾LḄ®¯¿ghÀÁÂ4.95g஺XÅYÅZoÆᳮÈ᝞Ê,T8⚪D11ᑖJËÌÍÎÏḄᔠᡂÒÓ᝞Ê,H2NNH2(CH3O)2CO,CH(OCH3)2CH?SCH38-1&'BஹCஹDḄM᪀*DÖᐭ᪾J஺8-2BCḄ×ØÙÚ,BÅC+,o8—3CH3sHᙠÜÝÜÞÊḄᱥᳮß᝱ᨬ%@DÖᡈ_ᡈ¾JãäᑨæḄᳮᵫ:T9⚪D10ᑖJ1997èBHCéêëᦋíÜᵨÌîïðḄᔠᡂÒÓñ¥òóô⁐ᓄ)ᢧᡊᝄ,

46øᔠᡂÒÓ:CONicᓄᑺîïðPdcᓄᑺ9-1ᑏAஹBஹCஹDḄM᪀*DÖᐭ᪾ᑁJ஺9-2îïðḄ×ØÙÚ+,஺T10⚪D5ᑖJᨬûᨵeᵨüý+“ÿ⏚”ḄᓄᔠᱥHCBHHC1
C60CGO66ᑮᓄᔠᱥ[HC6o]*[CBuH6cL#஺%&᝞()⚪+10-1./01ᩭ34567/ᓾ9.:;<ᓄ<=>;Ḅ•ᓄ<@ABCὅE+஺10-2/G▢[CB“H6ckKḄL᪀9.:N10-1ḄOPᓝ☢S@ABTEUᔠḄVWXYZ[CB“H6c%Kᨵ᝞(L᪀ᱯ^+_ᨵ᪷abcXdefg᪷ahi360஺/5ḄmᦪopqrEᔲhic஺tᙠN10-1vwḄN/xyz{ᵨᐗ~⊤{⊤ᓄ

4712⚪{11ᑖ¡ÝÞᧇᵯßàáâᓄã¹ä5ᵯåEæçᨬèᨵᢧᡊឋḄ=⚪¦஺ᨬ¥ᨵëᑴ⌼îÞᧇᵯßᵯ᩽ïᐭ¾ñòᵯ᩽ïᐭàáóñᵯßḄᵯôEõᩖî÷2஺3ḄZ1O2ᨔS_ᙠøù(púû0?஺%&᝞()⚪+12-1.#üý⊤àágᵯßþᵯÿḄᓄḄᓄ12-2ᵯḄ᩽Ḅ᩽Ḅ________________________________ᵯḄOḄᔣᔣ᜜ᵯ!"#Ḅᵯ᩽12-3$%&'(ᧇᵯ*ᓄ+,-.ᙠᑁ(1(2+,34Ḅ5⌕7812-49:;ᙠZrO,ᨔ=ᩖ??஺ᵨ?'+EFᨔGᑖḄZ1+IJKᵯḄLᵯM4NOPQRᵨSᐸUMḄ78PQSV____________________________________________________________________________12-5+,(ᧇᵯᨬᜧḄYZ*ᓄ.[ᐰ3ᛋ_ᵯ᩽Ḅ`a⍝cᨵ$efc[ᐰghijklm◤10opqcrEᓄsḄᔊuvw஺x13⚪z10ᑖ{|⏚~Ḅ᝞0.6000gḄ᪵2000mL0.1250mol/LKBrO.3zḄKBr
,⏚⏚ᓄ஺!c[ᐰᐭKI,-ᵨ0.1050mol/LNa2s2O3ᡂḄỚc;20.00mL஺f᪵Ḅᨬᑖᦪ஺ூ¢ὃVᫀ௃x1⚪z4ᑖ{C1O¦§C¦஺zᔜ1ᑖ{⏚ឋz1ᑖ{C1CT+C1+2H*=C12+H2஺஺z1ᑖ{zª.ᑏ¬ᡈ.¯°.±ᑖ஺{Hx2⚪z2ᑖ{Me.ᩗ.N³´fµ¶Ḅᨵᦔᦪ¸c8ᐸ¹º»¼஺z2ᑖ{ஹᓝHzª¿Àᨵᦔᦪ¸ḄÁÂ⊤Äᙳ±ÆᑖcÇ¿Àᨵᦔᦪ¸Ḅ.±ᑖc᝞V!ÈឋᐗÊ.ᩗ'ËI7Ì஺{/ÎÏx3⚪z4ᑖ{zª°☢ᢗ³Ò"ᢥÆᑖf஺{Ahx4⚪10ᑖ{4-1CeFsXeFz^F^1ᑖ{4-2ᑖᨵC—XeÖ஺z2ᑖ{zV“ᑖØᙠÙ§ᨵ1ÚÛ”±1ᑖ{4-3XeF+CFBF=CFXeF+BF-
ftᵨ""EF"=”.ᡷᑖà¬áâ±46526524ᑖËãàäåæçEÚµ᪀.ᑖ{஺4-45C6F5XeF2+BFJ+2I2=4IF5+5Xe+5C6F5BF22ᑖ{zª.¯°.±ᑖ{4-54ᑖ{zª4-5ḄVᫀ◤ᵨéêÚë⌕'ìḄVSEPRíîïFM±å஺ñ⌕ò⊤Äåó┵õ±Æᑖc⊤Äö.▲஺{ø#'ஹx5⚪z5ᑖ{5-1MgB2ᑖ{zªùåᨬúï±ᑖ{2a=b#c,cûᔣüz3ᑖ{5-2zªÁÂMýò⊤þåMgB=12Ḅᨔÿ
ᑖᡠᨔᨔᨔᓫḄ᝞ᨔḄ⚔ᐰ!"#஺%&6⚪(8ᑖ%1.)*+,-ᐸ/Ḅ₝⏚2345Mr?678/95஺ᙠ;5KMnC>423<5Mr?+ὅ?@᳛B஺(4ᑖ%2.CD/EFᑺHIMnVI
ஹMnIV
ᡈMnHI
LᡂNᔠᱥᡈQ2ᱥR5ᐭTEFᑺ?@᳛U᠒஺(4ᑖ%(W-⊤YZ[9▲஺ᐸ]^_`abcde⌕ᨵ⍝ᳮc
ᑖ஺%&7⚪(10ᑖ%XAu2ᑖ%RYAUC12ᑖ%RZHAuCL•3HO2ᑖ%32⌕k1-Xl9mnop^l•Erops៉ḄopᡈὅᐸuᓄᱥIwḄxᣚ?
ᑮḄ{ᱥḄ|}~ᡈὅᐸ23⁐9ᔠ⚪ᙳ9ᔠ〉᝞Ḅ᣸]Ꮇ^XloᵫY=AuCbᑣxᣚ?Ḅ_l-2AuCh+3Zn=3ZnC12+2AuR?
ᑮAuḄ|}=0.100mol/LX0.500LX197g/mol=9.85gR?ὑZnḄ|}=0.100mol/LX0.500LX65.39g/mol

48X3/2=4.90gR?
ᑮḄ|}r-9.85g-4.90g=4.95g2ᑖ%R⌕k2-ᵫAUC132⏚
ᑮḄ⁐ᨔ4AuḄ}ᓰ50%,AuCh4AuḄ}65%,cZ9AuCh,Ꮇ^lNᔠᱥHAuCL,Au58%,¡ᜧ50%,ᦑᎷ^¤ᔠᱥᑣc¥
-HAuCL,3H2OḄ᥅§|}l393.8ᐸ4AuḄ}l197/394=50%஺2ᑖ%ᐸ]¨ᳮ©ªe⌕ᔠᳮb
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×e◤ᨵÙஹÚᔠ#ᭆÜÀÝ⚜ᐜᐹᜓ⚪âãḄᐹ?ḄäÇ%஺&9⚪(10ᑖ%9-1BCஹMåc*DP^Ḅ᪀[(çᐭè᪾ᑁ%஺(ᔜ2ᑖRᐳ8ᑖ஺9᪗×ìᵬíîḄH9ᡷᑖ஺W-⚪◀&1ñ?᜜ᐸ]?cᵨ᎔¨
×Óᫀ஺%9-2óôõö÷øù-2-[)ûüýþ°⏚ᡈ2-[4;3”-ᵬ°%ý]-
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f=181Xl
6pm3C@Av=4x4/3
4116pm
3+4x4/3
;t167pm
3=104X106pm3v/V=57.5%1ᑖᨵᦔᦪG┯Iᡷ1ᑖ,V6vḄLMNOPQ4R/ᐸSᨬU1RVWᶇᦪG/7ᡷᑖ஺11-3⊤☢[V8⚔]
+6☢^+12_S^
=26"=[ᦪV8⚔]
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2X6]+[n2x6]+[n-l
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X12]X3/4+[nX12]X3/4+[n-l
2X6]/2+[n2X6]/2+[n-l
XnX2X6]/2=8000+7+81+90+243+300+540=92612ᑖ⊤☢[ᓰ=[ᦪḄᑖᦪ"2402/9261
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0?Qᐸ®ᦪ²±«¬³{´ᑖ஺2CH+13O2-26e=4CO+5HO2ᑖ®ᦪµ¶³´ᑖ஺4l022ᔣ¸᩽º`1ᑖ`ᔣ□᩽ºᡈᔣ½ᐭ¿ÀÁÂḄᵯ᩽º³´ᑖ஺¸᩽஺1ᑖ`□᩽ᡈ½ᐭ¿ÀÁÂḄᵯ᩽³´ᑖ

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1ᑖ-4.1ấ⏚3)ᡈấ1⏚3-1ᑖ-456⚪89!ᑖ:;%ấ<%ấ⏚3=>ᑖ஺5.ᐹᨵSi-OBCấDEḄFG)2ᑖ-

50H3⚪)3ᑖ-ᨬJᨵKᵨMN26Mgkᦪ⊦⊦|᪶PQ2R5Cm᪶ST᪶ᔠᡂW2631sa;Xᑮᐔ[X஺Ẇ]ὅ_X2640.00008saRᡈS|C/`abcdefg`᝱ᑖ2650.0018saRᡈS|XO,iXᡂẆ]gᓄjឋkḄ4266ᨬlᐗ[஺nḄXop[᝞r2670.033sa5ᡈS|⊤ᡠuv᪶W;XᑮḄ᪶[!268ᐸxyaz᪶[Ḅ⊦|ឋk}~2699.3sagᐸᓄjឋkXᡂ஺1.XḄᐗ[!______஺2.ᵨᐗ[ᙠ#rᑖ᪗4ᐸkᦪ#kᦪᑏfᔠᡂXḄ᪶W;)Ḅᐸᢥᑏ-஺ூ%ᫀ௃1.Hs1ᑖ-2.RRMg+2R5Cm=ṩHs+5n2ᑖ-)n=ᑏᡂ¢£¤ᑏᡂ“x”ᡷ1ᑖ-H4⚪)6ᑖ-1.¨C©ª⏚)᥅¬151
STW;Xᑮ2®W;¯ᱥᐸa!஺zW;ḄRW;XᑮḄ±¨¯ᱥḄxᦻ³´஺2.N2H4ᙠaµᩩ·rdᑖ¸¯TNH”ᵨ#H”¹ºὅ᥅¬352,ᑏfW;஺3.H.ᕜᐗ[AC¼½ᡂḄ᝞rᓄᔠᱥxḄA-ABḄBN)kJ/mol
5CH-CH346,HN—NH247,HO-OH207¾¿5ÀÁḄBNÂÃÄ©rÅÆ3322ூ%ᫀ௃1.2Hg+2HC1O=HgOCl+HO1ᑖ-Ǫᓄ¨)ᡈÈ/ᓄ¨-)1ᑖ-22245Hg20cb=ᑏᡂHgO•HgCbᡈHgCb•HgO2.7NH=8NH+3N+2H2ᑖ-243223.ÉÊxḄËÌÍᨵÎÏᵯᨴÒxḄÈÌᨵ1ÏÎÏᵯÓ/ᓄ¼xḄ/ᨵ2ÏÎÏᵯiA—ABḄBNÔÕ஺)2ᑖ-H5⚪)13ᑖ-Ö×p)Ø☢Ù-ᓫ᪶×ᔠᱥMA2)NO2-2ᕈ=xឋRÛᡂᑖ᪆Ý5M31.68%,N31.04%,C17.74%R×ÙA±/5×ÙNO?
ஹḄÈ/B£Þ஺1.z×ᔠᱥxßÌM!ÂÃᐗ[Æ/ᓄ᝱àᜧÆ>fâᳮÓ஺2.äfz×ᔠᱥḄ᪀uåæ>fâᳮÓ஺3.ᢣf×ÙNO?
*ᙠ“ᵫ”é᝱rḄêë᪀ì#ÈÌḄᩖᓄî⍝஺4.◀ñò᜜vôõ×ÙöN÷ÂÃ#xßÌ×pÆᵨæ½äfø®஺ூ%ᫀ௃1.n:?N=2L68/MM:31.04/14=12y+2
Af=19.56Xy+1
y=2yᐸMAᯠᦪᙳᔠ⚪MM=58.7g/mol
ᕜ⊤M=NiᵫNO?
*Ḅ!"#$%&'()ᓫ+,-.O,ᦑNO2012NiḄ$ᓄᦪ+2஺4ᑖ6(ᳮ89ᔠᳮ:;ᑖᔠᳮᓽ=>?@ABᡷ2ᑖ஺D2.ᔠᱥFG-.ᦪ“cᑣ:"c஻N=17.74/1231.04/14=0.667LHNO=2P2+2=6,ᡠRn=0.677X6=4ST᥅VWXᵫYᒕ[X8\X?//c]^_A`#aᓄᔠᱥᵫ2aᦪb(AHNCHCHNH,2222ᔠᱥḄ>᪀de4ᑖ6ᔠᳮ(ᳮ892ᑖ>᪀e2ᑖ"23.᪷iVSEPRᳮjb⚜lNO2-noᜳnᶍ]Y120°,NrSp2ᩖᓄt⍝஺2ᑖ஺—N᜛O4.M—N\3ᑖM6^⌕eyF-.Ḅz{,|ᐵ~@AᓽbᑖTᐸᔠᳮ,>᪀Bᑖ᝞$᫑>᪀ஹNO2᫑>᪀&6⚪8ᑖᓄᔠᱥA“ᙽ”Xᔴ⌕ᵨY⁐ᐹ-ឋឋ{ᨵ஺¡¢⍝ᡃ¤¥¦§ᖪ©ª«ᙢA®¯ᑮ±ஹ☢ஹῖ´ஹµ¶&µ·F¸¹º»¼½¾µᱥF¿À᝞ÁᙢÂÃÄÅᡠÆ᪥400[ÈÆĵᵨÉAµ·¥ÊឋF

51¿À஺LNËA-2H,0Ḅ᥅VWX154g/mo1AḄᨔ>᪀ÕᐸÖ×ØḄᵯ¹ÚÛA`ÜÝÞ᥅VAÉ1᥅VÜß.஺AᙠÖFḄ×áâ᩽ᜧ20࠷⛳×ØAḄWXᑖᦪç45%஺AḄᑴᜓë§ì¥`ᙠNaOH×ØFᑖᵬðñNa2s2O4óôõö⏚Üøù᥅Vú11,øùᱥAõö⏚Ü஺AᙠᓄÆûYõü⏚ḄýÄᱥõü⏚ḄþÿRSChH,Rᨵ஺1.AḄ▢Ḅ᪀஺2.ᑏᑴᜓAḄ“ᑖ$%”஺3.(AḄᓄ*+,஺ூ.ᫀ௃1.M=32+3X16+3X1+12+23=118118+36=154AQ/°c%HIHO-CH2-S>(ᡈAHOCH2s0?EᡈHO-CH2-SஹᡈS—C—0—HG3ᑖ஺/τ0-஺H2.NaSO+CHO+NaOH=HOCHSONa++NaSO3^-NaSO+CHO+NaOH224222232242=HOCH2sOzNa+Na2sO3ᡈNa2s2O4+CH2O+NaOH=NaSO2cH20H+Na2so3NOᑏPᑏᨔRSTU3.“VᵬXY⏚[”ᡈ“VᵬXY⏚[”2ᑖ\7⚪8ᑖ_`⍝bᡃd⏓fgh“ij⏣”lmn᪗pqr஺1._Ẇtb⏓fuḄ“ij⏣”ḄᩭwTxy⏓fzᧇuḄᩖ}ᾦRᱥᵞfḄViḄᱥᩭwTxyᵨᣚ᪛ᾦᓄRᑴ⏓fbᵫᣚ᪛ᾦᵨ1.23ijAὶᑺbᶇḄAR“ij⏣”᜜bA¡Txᩭ¢ᒹ¤¥¦Ḅ§ᓄ¨ᑖᩞᧇ஺ªᑏᵫᵞf«ᑮḄ“ij⏣”Ḅ᪀ARḄ®¯$%b®¯°±Ḅᨵᱥᵨ᪀⊤³஺2.ᙠµ¶·µ¸ᨵ2¶Vᡈὅ¶V¶izḄ“ij⏣”yPº»Ḅbᙠ¼½ᩩ¿ÀÁÂ◀®¯bÄ(2¶®¯$%Å஺᪗P᪗Æ᧜È«ᑖɵ஺CI-HCI.ᔜËᑖ\8⚪9ᑖᓄᔠᱥABḄᐗÐᑖ᪆ᦪ_ᙳC85.71%,H14.29%஺}Õᦪ_⊤ÖABḄÉÆᑖ}mᙳ84஺×ØÀABᙳxÙÚRÛ⁐bÝᙳPxÙ¨Þ⏚ßàáÛ⁐஺AâHC1®¯«2,3ãᵬ2iäbAåᓄæç«2,3ãᵬäBâHC1®¯«2—ᵬ3iébBåᓄæç«2,3ãᵬä஺1.ᑏABḄ᪀஺2.ᑏᡠᨵâAஹBᐹᨵɵ·ìíḄµᑖî᪀Èbïᑏᐸuñî᪀ÈâHC1®¯Ḅᱥ஺ூ.ᫀ௃ICH
CH231.AḄ᪀òBḄ᪀ᐭᔜ2ᑖzx'CH2cH3CH2cH2cH32.᪀CH3CH2CH-CHCH3CHSCH-CHCH2cH3CH3cH2cHeH2cH2cH3âHCl®¯ᱥḄ᪀UCH3CIciNOµᑖî᪀Èᔜ1ᑖᑏÆ÷“ƯḄ”Rᱥ«2ᑖ஺\9⚪8ᑖXeF2®¯bT«úñûᓄᱥbü®¯ᩩ¿p»஺Àý⊤Ḅyþ0.125mol/LXe1.225mol/LF᝱2ᑮḄᡂᱥᙠ⊝ᑁḄᑖ!"#Ḅᐵ஺1.!ᙠ&'"#(ᑴᜓXeFXeF?642.XeF2ᡂXeF6XeF4,/0!12345XX)400"#/K

52ᡂḄ!1234஺ᳮᵫ83.ᨵᦔᙢᑴᜓXeFz(?5@Aᳮᵫ஺ூCᫀ௃1.F550KF850KGᔜ1ᑖI2.XeFJXeF?ᡂXeF4Ḅ!124(ijᙠO"(klᑴᜓXeFz,mO"⌕oḄᢈqr⚪t4æËÌᵨQᡃÕᔜᙢçèᱥḄéêëêᘤGᑴâéêëêᘤḄ1ᱏ241AmᡃÕᢇ^ïð10ᐗñòI஺┲ᙠ⏚ឋôõØḄöᓄ᝱᪗ùᵯ᩽ᵯûGE/V
᝞(,Tz2.62LAn/'/An?+Ḅ᪗ùᵯ᩽FtLû<É2.07LAm3+/AmḄ᪗ùᵯ᩽ᵯû<ýý஺•ÿ
ḄᓄḄᩩᓄᑺḄ᪗L68-2.071.72ᵯ᩽ᵯᜧᑺḄ᪗ᵯAmOf^3Amz+-2.34J2+-1.55᩽ᵯ஺Am3--------Am---------Amᑨ┲!"I1.20I-0.90I#⏚%&'()*+,-᝱/ᙠ஺12ᳮᵫ஺▬6EH7H27=0V6E0C1/C1
=1.36V8E°O/HO
=1.23V«222ூ:ᫀ௃⌕>16EAm"'7Am
0,?@AmAB"#⏚CDEFGᓄHAm","=2,3,48IEAm3+/Am2+
0,An?JJKᡂAMNBH+GᓄHAm'-஺O1ᑖ7Oᡈ:6EAm3+/Am
0,஻=3
⌕>26EAm4+/Am5+
EAmO27Am4+
,?@JKᡂḄAn?+UVᓄHAmO?+WAm3+.2ᑖ7⌕>36AmOz+XᓄᑺJKᡂY('ZᓄHO*ᡈ'C[ᓄHCkGᓄHAn?+,\]^_`/ᙠ஺O1ᑖ7aAm஺?+cᑺᙠ@ᩩd]^eᓄHAmC^Z⌕>46An?+]UVᓄOᳮfg7A_`/ᙠ஺O1ᑖ7hi6j"#⏚kᑮḄ_`-᝱HAn?*஺m12⚪O8ᑖ7oᔠᓄqJrstᔠᡂᢈv஺wxyzḄᔠᡂ᝞A+B=AB,oᔠᓄqᔠᡂᢈvᑣ'J}ᑡAji=l,2,3,,,,
WJ}ᑡBOj=l,2,31,,,
f,hJឋᙢkᑮᓄᔠᱥḄlibrary
,ᯠ&ᑭᵨஹᓄᢈv⌱Dᔠ◤⌕Ḅᓄᔠᱥ஺ᵨ21r¡⏚¢oᔠᓄqᢈvᔠᡂᵫ£¤¥¦ᡂḄ§¨O©6§¨ḄoᡂA(ABC,\A(AAAᡈὅAABᢣD§¨ABC]§¨CBA6¬g®ᑏ¨Ḅ¡⏚°±ᑏᙠᨬ³´Ḅµᨵ·¸ᔠḄa—¡ᑏᙠᨬº´Ḅµᨵ·¸ᔠḄ»¡7஺1.¼oᔠ^kᑮ½§¨Ḅ¾ᱥ஺::.஺2.ᎷÂᡠkḄÄᨵJ§¨ᐹᨵᱥÆឋ஺ᨵÇÈDÉ◤ÊË]ÌÍᓽAkÏÆឋ§¨ḄoᡂOÐÌÍᒹÒwᐰÊËJᨵÔᱥÆឋḄ7஺ÕÖ6¼ÌÍ᝞×

53ÂḄØᢥÚrÌÍÂᨬ◤Ê˽ÌÍᨬ½Ä◤ÊËÛÌÍØ12ᳮᵫ஺ூ:ᫀ௃1.2Ü=92612.:ᫀḄ⌕>ᨵ6জ.ÌÍÂ6Ðß½1¡⏚ᵨ20¡⏚ÊËfgoᔠàᡠkáᨵᱥÆឋᓽAÏeßâḄ¡⏚Æឋ¨Ḅoᑖ஺2ᑖ7ঝ.àᜮ§ÌÍᡠkᙳÔᱥÆឋᑣAÏeßâḄ§r¡⏚Æឋ¨Ḅoᡂ஺?@ᨬ½Ä◤ÊË3ÌÍæAçᡂÌÍ஺O2ᑖ7m13⚪O11ᑖ7+%èéêdᕈ%᝱Ḅ+,ᓄᔠᱥìÏírÛᓝrï“ñ⁐ᑺ”஺ô2002õ4ᨴḄ÷ø⍝ᨬúᨵÇÊËûᵨ+,%èüᩈþÿ
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OP!᪆#QR᪀KM஺⊤!C4minCl11—UVQW3W⊤ᩈᙠ!ḄឋᵬQYZUW[Ḅ\]“Y_”Ḅᩩy-᪀᝞ab@ᡠ஺[Cmin]Clᑮ100࠷10%4cd᝞e⚪[Cmin]Cl25%,41.ᙠ☢Ḅi᪾!k#CCamin'l\[C4min]Br57%]ḄḄ᪀m஺[Cmin]SCN57%42.n]Cemin+pCgmin+qḄCp6[Cmin][BF]K44Cg\⊤rstdp஺[Cmin][PF]K443.᪷vb⊤ᡠᙠ.wᩩy
[Cmin]Cl5%6OḄz{<|
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ᙠCginlClஹC4minBrஹCaminXBFj!Ḅឋ<ᵨᩭ$
ᙠC,min஺ஹC6minClpCgmin஺!-1ᵫOḄ᥅ᑖᦪ஺4.ᙠ!ᐭ
ᙠqḄ-<l5.ᎷᙠCgiin஺q25%Ḅ+ᔠ-n=500Ḅ
¡¢,ᔣ¤¥10%Ḅᓰ᦮¨¥Ḅ᥅ᑖᦪ©ªtᎷCH2cH2cH2cH3«
ᐰ᪆#᪆#Ḅ
Ḅ᥅ᑖᦪ©ᜧtaூdᫀ௃1.2ᑖ²K³]$´“+”ᙠᵬQµb¶U·஺VQᵨ¸¹º»¼½m⊤¾ᑖ.w஺CH32.¿QÀQ1ᑖ3.▢ᡈüCÄஹBrBFJᔠ¼ḄÅÆC1Ç஺ÈÉ1ᑖÊË5ᑖ²Ì3ÉᡈdÍÎÏᜧᡈ¼Jᡂ¼ḄÅÆᡈÐlÑḄÑឋÒÊÓÓ4.!Ḅ▢Jᡂ¼ḄÅÆÔÕ஺1ᑖ5.O!Ḅ
Ḅ᥅l6X12+10+5X16
X1000=1.62X105g/mol
Ḅ᥅l8X12+15+14X2+35.5=96+15+28+35.5=175g/mol
Ḅ᥅ᑖᦪl1.0/18/1.0/18+75/175+25/1.62X105
=0.12᪆#Ḅ
Ḅ᥅ᑖᦪl25/162000
/1.0/18+75/175+25/1.62X1
5
=3.2XIOஹ2ᑖ

54ᓄ?2003ᐰᓄ'ḕA*+⚪Ì1⚪5ᑖÖᡊØÙR1ᙠᡊÚbÛWᜧᵨÜÝÞḄßàᡊáGIIâã⌨åᙠᡃßçèᙢ⍡êᜧëᵨìḄÜÝÞíÝ1ᐸ!WïÜÝ஺íÝḄᑖmlC1CHCH
SOðñòÇó-íÝôKõᓽ÷øùúᯠ$üýKÅ÷øḄ᩽Ç222ó-íÝÿ
⌼ᡂ᠒᠒Ḅ஺1-1ᵨ஺2-⏨ᡈ2-ᓄᱥ#1ᑖ%1-2&ᵨ'()ᑴᜓ஺ᐸ-C1CH2cH20H.Na2s/0/01ᱥ2-3Ḽ.ᓄ5/06ᐸ7CH2=CH2.S2cb/0/0ᱥḄ᥅9:;2:1஺ᑏ=ᓄ>)?@஺2C1CH2cH20H+NaS=(HOCHCH)S+2NaCl
1ᑖ%2222(HOCHCH)S+2HC1=(C1CHCH)S+2HO
1ᑖ%22222222CH=CH+S2cI2=(C1CHCH)2S+S
1ᑖ%22221-3ᵨAB&CDE஺ᑏ=/0@஺
C1CHCHS+2OH-=
HOCHCHS+2CF
1ᑖ%222222ᵨNaOHFGOIKH&஺)?@IJKLMNᑖ஺O2⚪#7ᑖ%50QRWatsonSCrickTUDNAVWXYNZ[9ᓄ>ᝄ஺DNAḄ]ᦻᓄ>_:ῃb᪶d᪶⏚;DNAᵫ᝞ij(klmᑖ᪀ᡂḄ:ῃb᪶d#k%ஹp⏚#k%SAk6DNA]Ḅ⍡rkTCAkḄ᣸ᑡuvwxḄ;DNAVy2zḄ{⌕}ᵨ~5.=DNAVWX᪀ᙠUFᢈ]0ᵨḄ-kTmᡈkT?ஹkT}ᱥஹᐰkT……஺#ᑖ6“k”Nᑖ஺%O3⚪#5ᑖ%ᙠ⌱⚗ᙌᙌ஺3-1iᑡᓄ>]¡Ḅᵯឋᨬ¥ḄAC-FB.C-0C.C-SiD.C-C13-2ᵯ᪀¦;Xe4f45d76s2Ḅᐗ¨A.©ᨵ«B.¬ᐗ¨C.{®ᐗ¨D.©¯ᐗ¨3-3iᑡ°]ᨬ᜜²ᵯᦪ;8ḄA.Ga3+BTi4+CCu+D.Li+O4⚪#8ᑖ%ᙠ30࠷Ciµ¬bᓄ5¶ᑮ¸⏚S5bᓄ¹Ḅºᔠ¼B]᪆=-(⁐ᨔ«X஺mᡂᑖ᪆ÀÁᨔ«ḄÂÃmᡂ;Na14.90%,B7.03%,H5.24%»¶ÄX,N⁐ᨔ«Y஺YÅNa23.0%,-(ÆSḄbᓄᑺÈÆiᙠÉÊËÌÍÎᙠÏÐÄ]ᑖDÑbÒÓᵨ}ÔÕᑺஹᱛ×ஹØᱥÙÚᑺSÛ1ÜHᵨÝᨵÞᔠᡂ஺᪀ᑖ᪆ÀXSYḄᨔ«]ᨵ-(▢°Z2.Á°]¸àḄᓄ>á᛻bàᓾᨵ'(ᡂ)@஺4-1ᑏ=XஹYḄᨬä@=åᳮ¬?஺

55XḄᨬä@6NaBHOYḄᨬä@6NaBHO#ᔜ1ᑖ6ᑏᡂèᔠᱥH&%8724åᳮ¬?NaBH014.90/23.0=0.6487.03/10.8=0.6515.24/1.008=5.2072.83/16.0=4.551187XéᡂYῃè¬?஺X;NaBHO-3HO,ᑣY]NaḄÂÃëᑖᦪ;23/99.8=0.23242#ìXNaBO-4HO,ᑣY]NaḄÂÃᑖᦪ;23/81.8=0.28íîᔠ⚪ï஺
1ᑖ%324-2ᵨᨬាñḄòóô=Z2-°Ḅõ«᪀#àᵨᐗ¨îö⊤øᐳúᵨûü⊤ø%஺íᑏ“2-”íᡷᑖ஺%O5⚪#6ᑖ%i•(ᙠᢗᐭ
Ḅᜧᵯ஺ᵯᵯᵯᙠᵯ!"ᵯḄᵯ᩽$%⌱'ឋ)ᙠᵯ*ᵯᐙᵯ,-).ᐕ01$%"*ᵯ23)◞5ḄᵯNa2s2NaBn*ᵯ6,ᑖ9:Na2s4NaBr஺;NaB^/NaBr1ᑖ"<ᑏ>?@.A:NaS/NaS1ᑖ"<ᑏ>?@.A22245—2ᑏBᵯᐙᵯ,□᩽▢᩽Ḅᵯ᩽EF஺□᩽;3NaBr-2e=NaBr+2Na+1ᑖA▢᩽;Na2s4+2Na++2e=2Na2s213ᑖA

565-3ᑏBᵯᐙஹ*ᵯḄEFIJK஺2Na2s2+NaBq*ᵯ—Na2s4+3NaBr'ᐙᵯ1ᑖA5-4ᢣBᙠᐙᵯJ1$%)ḄOᔣ஺Na+ḄOᔣTᑮ஺V1ᑖAX6⚪V12ᑖA2003]3ᨴII`abᩞᧇefghijk>lẆnopqr✌tuvᨔxḄᨔyᙠ5K|ᕈr~ឋ஺⍝-ᨔyḄᓄfKNa0.35co஺2•1.30,ᐹᨵ……-CoO-H2O-Na-HO-CoO-HO-Na-HO-v᪀"ᙠ“CoO2”ᨬK⊤Ḅ22222v᪀%%ᕈᕜឋ᣸ᑡ%34l%ᒹ¥Co-0¦§¨஺6-1%Ḅ©ᙳᓄ᝱+3.65ஹV1ᑖ"ᑏ“+”0.5ᑖA6-2O®⊤%¯®⊤%°BCo஺±Ḅv᪀ᵨ³´°B?ᨔµ஺.¶·ὃḄtº;»¼Ḅᨔµº|½ᵨ³´¥¾Ḅ©¿ÀÁÂ஺ᑖ஺6-3⍝-ᨔyºNa0.7CoCA2ÄÅᱥᐜÈÉEFᯠ6ᵨxËÌÍÎᑮḄ஺ᑏBÄÅᱥÏḄEFIJK஺NaCoO+0.35/2Br=Na.CoO+0.35NaBr2ᑖCDEFGHᑖ஺+07220352X7⚪V5ᑖAÐÑÒÓÔqÕÖ>⚗ØᢈÚÍÛÎÖ2003]ÜgÝÞ⁐ᓄfᝄ஺-ᢈÚᑭᵨâÔãJä⏗æçḄâÔèᐭ>?ᜧéᩚçᵨᩭäℍ⃔îq⏗
ᡂ1.3-ð⏥஺7-1ᙠòóq⏗Jℍ⃔î✌ᐜôᓄõâðöḄ>÷⏚ùú6ôᓄû᪗ᱥ஺-EFýþℍ⃔îḄ%ᑭᵨ᳛84%஺ᑭᵨ᳛᪗ᱥḄᑖ◀ᱥ100%஺2ᑖ7-2!1.3-$%⏥Ḅ'()*+,ᧇᢥ/01234Ḅ5+,ߟ789:;7<-3-=>$?-1.3-$%⏣஺AB3-=>$?Ḅᙠ7?DᑺF34GᵨHIᓄᑺᡈ┯IᓄᑺGMN80࠷,RSIO,paXY9ᵨZIᓄᑺ,MN80-120࠷,RS1.6x107Pa஺^/G_)*`aᐹᨵ/3de⁐ᓄgᱯi5ᑭᵨ᳛jGkᵨlmn!ḄoᱥpqGᙠMᩩs/34tuvὑxGykᵨz{|IᓄᑺGykᵨᨵ}DᑺGᨵ~ᱥ᣸aGᙠMᩩs34uykᵨjRᜓG஺ᐳ3ᑖXᑡᔜ91ᑖ஺

578⚪12ᑖ8-14ᑖ1᥅j═⏚ᙠ240—300°C19.2g;Gᑏ¢£¤஺¥¦K2MnC>4640tleᑖ®GKjMnCX,800࠷ᑖ®஺5KMnO=KMnO+KMnO+3MnO+3O4ᑖ42434228-23ᑖᕸᖹtF¶·¸ᨵᐶº»ᵨGᐸ½᪀¤᝞/஺ÀM/GᕸᖹtᙠÁFḄD®N2g/100gH20,〉Áᩰ⏚ÆÇC6H4OHCOONaÉ,ᵫËÌᡂÎÏuÐᜧᕸᖹtḄ8-32ᑖÒÓᓛ᪍½᪀¤᝞/GÖDËÁ஺×〉ØÙ⏚ÚÆÛᔠGᓽmÐᜧD®N஺®t஺0^COOH஺“ὡ10ÒÓᓛ᪍FḄᲦ⏚ØÙ⏚᪷ÌᡂÒÓᓛ᪍ḄÆâ஺2ᑖ'IᑏKLM⊤OPᑖQRSᗂUEã஺8-43ᑖäåᙠæFḄD®Nçè^1,1,1-Úä7<ḄᜧGé9dmvḄtêëì஺2ᑖCHCbḄÎîæ:ḄᐳᱥᵯÌᡂÎÏ஺1ᑖ'IVᑏ“XY”H1ᑖ஺+9⚪6ᑖðᡃòóᐗõGöᓰᐰᳫ11%,úûü஺ᙠᐝþÿ
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58ᐭᐝ1km᜜Ḅᵨᡝ◤ᵨ5ᱏ⏚ᨔ39ᐗ!"஺ᡃ%&'ᐰᳫ*⏚ᨔ+⌕-ᙢ/0123ᓝ5ᱏ6⏚ᨔ0789ᓟ5;ᐗ19990"஺<⏚=>?ᨔᨔ@Aᦪ“=712pm,c=629pm,EF"=4.22g/cm
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qcᑖ¡284113—4%=268105ᡈ§Dbii⚪
4ᑖ3n\ª«&ᡈ¬hᩞᧇ¬¯°ᑖ±ᡂN2³´ᜧdhd&ᔜ1ᑖiii⚪
6ᑖN0C0H2O&·¸1ᑖᐳ4ᑖ222º»ḄN2Ḅᑖ¼½¾ᔾᐭ»Ḅᑖ¼Ḅl⌕noIº»ḄC02Á»ᨵÃᜧᑖ¼ļqÅoÆN2Ḅ᥅Èᑖᦪ
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15ᑖ1.NF3&1ᑖ4NH+3F=NF+3NHF&1ᑖ&ᐳ2ᑖ3234

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X2=66&·1ᑖ&ᐳ3ᑖFIFFEF二;FsnEF:-F&·1ᑖ2NF+SnF=[NF+][SnF]21ᑖ224226[NF+][SnF]2"=[NF]"[SnF]+NF1ᑖ&ᐳ5ᑖ22625225.□p\ḄᓄåzNF4+஺&1ᑖNF+F2+BF3=NF4+BF"1ᑖ34NF4+Á±✌ᐜᑮHOF&ᔲᑣᑏq9ëḄNF4+Á±¡NF++HO=NF+HOF+H+@d5ᡂNF3஺&1ᑖ423Æ2HOF=2HF+C>2HOF+HO=HF+HOkì/zlDᩩBᨵ222ᐵîï`ð/zlᓾÄI@d5ᡂHF஺&1ᑖ&ᐳ4ᑖv⚪
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XeF+2I-b¡2s2O32-2121ᑖ0yzz=2y1ᑖ0XeF+4r-2I~4SO32"422141ᑖ02.02xl0^3-y0.200mol/LX0.0350L-zy=5.4x10"molXeF
1ᑖ02XeF2.02X103moi-5.4X104mol=1.48X10mol1ᑖ04sviii⚪8ᑖ01.[¢஺v1᪀᝞63Inin#ᔜ2ᑖᐳ6ᑖ0#1᪀Ḅ⏚᪷¤);ᵨ¥᧕§1᪀⊤©Yª⊤«ᓫ\K#᪗2—0¯°±²aYªA6⚪Ḅᑖ᪆'¯ccv-ᵨᐔᵯ)K#·▲QC஺ḄKᦪ¹NHº"0஺Zᐸ8KᦪḄᔠᱥUᑖ஺032.ᔠᱥHITᐸ¤)ᱯឋA½¾ᔠᱥ¿ᑖÀ3ÁÂAgNC03ÃÄvᓽÆÇÈ6ᩭ#ÊËAÌKḄÍ&ÎÏ᠒ᙢÇÈ0஺;TÒÓᵯÔIIIAIஹII¿ᑖ#ᵨÖ᜜ᐝØÙ¿ᑖ;0#1ᑖ0஺IḄᏔ᩽ÜnḄᏔ᩽ÜÝJÒÓ᩽ឋ¾ὅ¿ᑖÀ#1ᑖ0஺#ᐳ2ᑖ0six⚪6ᑖ01.HO+C1+H^=HO+HOC11ᑖ0222

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