新高考高中化学竞赛专题1认识化学科学竞赛真题强化训练解析版

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ᑡ⊤#$%Ḅ':A.*+Ḅ,᪀./CHCHB.34Ḅᵯ6.//O/HC.ℍ⃔:Ḅ,᪀;.<=>:D.CC14ḄᳫBCD:1ூFᫀ௃CூI᪆௃ூᑖ᪆௃ூLI௃A.*ᯋḄ,᪀.>H—CC—H,A┯Q;B.34Ḅᵯ6.>.0/HS⌱⚗ᡠVᵯ6.>OH-ᵯ6.SB┯QXC.ℍ⃔:ᑁḄZ4<[\]Ḅ^_`ab6cḄ34]d<⌮fgShᡂjkZ,᪀S᝞mᡠ#ClhOHJ-OOH᪃Sc$%XOHD.ᵫqC1b6jrsCb6jrᜧSᦑ⌱⚗ᡠVCDv=w⊤CC14,xyCD>szCDv'ᳫBCDSD┯QXᦑFᫀ⌱C஺2.2021.ᔡ᪍.~
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3D.ᵯ&⛳NaCl"#(!)□᩽,ᡂ22.4L./!᦮1ᵯ234ᵯᦪ2Mூ6ᫀ௃Bூ&᪆௃ூ:&௃A.;<=☢/?᪀!11;<ᑖᨵ61P-P!ᑣ0CmolP4ᨵP-PḄᦪ0.6NA,ᦑA┯FGB.DOḄ᥅IJ20g/mol,11DzOᨵ101101!0.2gDOḄᱥḄJ220.01mol,ᑣOZgDzOᨵḄᦪᦪᙳ0.1M,ᦑBGC.LᨵMN"#Ḅ/O!PQRSTᦪ!ᦑc┯FGD.LᨵᢣVWXY!PQR34Ḅᵯᦪ!ᦑD┯FGᦑ⌱B஺7.2022[\•
Ớ_ᐸᓄᔠᱥcdᵨfghஹjᧇlm☢஺bḄnoᑴᜓm᝞sᡠuvAgNOFewCl,3xyᑡḄA.ᐭ{w3ᓄḄTm|}Fe+2Ag+=Fe2++2AgB.xyᵨ~J⏚"&◀{ᦈᓫC.nCb
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3v2(,ᓄᱥᨵL2D.)ᐭ~JCL,ᑣᓫỚḄᦈ᳛ூ6ᫀ௃Aூ&᪆௃ᶍ8.2018JḄH2ODzOᑖJ¡¢ᐰ!)ᵯ34ᦪ!ᑣᑡ¤¥ᨵᐵᱥᳮJ¨lḄ©A.¡ªὑH2OD2OḄᱥḄJB.,./ᙠᩩ®Ḅ/OC.¡¯ᡠ°"#"ḄJᑖᦪD.±¡ḄJூ6ᫀ௃Cூ&᪆௃ூᑖ᪆௃᪷³2K+2H2O=2KOH+H2f,2K+2D2O2KOD+D2T!ᵫᐵµ}2K~2H2஺~N~2,2K~2DO~D2~2e-2·!᪷³ᵯ34ᦪ¸¹ᑖ᪆஺ூ:&௃᪷³2K+2H2O=2KOH+H2f,2K+2DO=2KOD+Dt!ᵫᐵµ}2K~2H?0~º~2»2K~2DO~D~2e-2222

4·!)ᵯ34ᦪ!ᑣvA.¡ªὑH2OD?OḄᱥḄJ!ᦑA¨⌱GB.,./ḄᱥḄJ!ᑣᙠᩩ®Ḅ/O!ᦑB¨⌱GC.¡¯ᡠ°"#"ḄᱥḄJ!ÅᵫfKOHKODḄ᥅IJ¨!ᑣJ¨!"ḄJᑖᦪǨ!ᦑC⌱GD.±¡ḄJ!ᦑD¨⌱Gᦑ6ᫀ⌱C஺9.(2020.ËÌ.)ᑡ¨PÎḄA.ᔣ<⏚
SÐ"#ᐭ~JÑÒÓᮞÕv2HPO^~+3Ca2t+2OH-=2Ca(PO),+2HO342B.ᵨ[ß⏚àá;⏀ã⏣ḄJv2CrOG-+3CHOH+16H^4Cr3++3CH,COOH+llHO2252C.ᵨê⏚Ð"#ᜐᳮ┡᮱ÕîḄï⏚┛vCaSO/s)4cOj(aq)=CaCO3(s)+SOv(aq)D.ᑴ᥅I÷(ᵨ⏀øùúû!ᑴüᓛ᪍(ᵨÿ
ூᫀ௃Aூ᪆௃ூᑖ᪆௃ூ௃A.⏚ᓄNaH2PCh,ᙠ!"#ᵯ%&Na+(HF஺+,✌ᐜ/&01HFO'+ZOH^PO6+2HO,&ᡂḄPO6:;/&0163Ca2++2PO6=Ca3(PO4)21,ᵫCNaH2Po4EF,ᦑH?PO+ஹPO6J2ᐰ01,LMNOPQP06ST%UVW62H2PO++4OH+3Ca2+=Ca3(PO4)2j+4H஺A┯Z+B.KzCnOᐹᨵabᓄឋ,deCH3cH20HbᓄCH3coOH,LCnChᙠ⏚ឋᩩijklmnᙠ,oᙠpឋᩩij,ᑣrsᓄKzCrCh,ᦑuv!"⏚ឋ!",wᔠSᜫᵯUzឤஹᵯ₹zឤ(d}O~)ஹᐗzឤ(d}OH2O),S%UVW6200?-2+3C2H5OH+16H+=4CN++3CH3coOH+UH2O,B+C.NaCO!"ᜐᳮCaSOᑭᵨsᓄḄᳮ,!ḄCaSOdsᓄ!ḄCaCCh,1%UV2344W6CaSO(s)+CO+-(aq)=CaCO(s)+SO;-(aq),C+43D.᥅ᙠᨵ!ᑺ#!,uᑴᜓ᥅dᵨ⏀¤
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5ூ௃n(Al)=9g-J-27g/mol=gmol,dÛÜᵯUgmolx3=1moLA.ÝᐰÞCrzOs,&ᡂm(Cr)=gx52ß17.33g,ÝᐰÞMnCh,&ᡂm(Mn)=6x55g=13.75g,ᓽá9gÀÁᐰÞ01,ᡠSÄÅᓫÒḄÒFâãᑮ18g,ᦑA┯Z+B.ÝᐰÞMnCh,&ᡂm(Mn)=gx55g=13.75g,ÝᐰÞV2O5,&ᡂm(V)=gx51g=10.2g,ᓽá9gÀÁᐰÞ01,ᡠSÄÅᓫÒḄÒFâãᑮ18g,ᦑB┯Z+C.ÝᐰÞCr/^,&ᡂm(Cr)=gx52gR7.33g,ÝᐰÞV2O5,&ᡂm(V)=6x51g=10.2g,ᓽá9gÀÁᐰÞ01,ᡠSÄÅᓫÒḄÒFâãᑮ18g,ᦑC┯Z+D.ÝᐰÞFe.Qå,&ᡂm(Fe)=Jx3x56g=21g,ÝᐰÞFeO,&ᡂm(Fe)=0.5x56g=28g,ÝÀÁãJOᐰ01v,d&ᡂÄÅᓫÒ18g,ᦑD஺ᦑ⌱D஺11.(2021•¶·•¬¸¹º)e18.4gNaOHஹNaHCO?Èᔠᙠæçèᘤ#OÊê250࠷ᐙᑖ01,᣸~îÏ஺±ᓾÌðÎÏñ16.6g.jᑡóôḄÕA.NaOHḄÒFõNaHCO6ḄEB.NaOHḄᱥÒḄFõNaHCO,ḄEC.NaOHḄᱥÒḄFõNaHCO6ḄöD.NaOHḄᱥÒḄF÷NaHCO,ḄÃ᪵öூᫀ௃Cூ᪆௃ூᑖ᪆௃ூ௃ÈᔠÎÏᙠ250࠷v,NaHCChrùÊᑖ&ᡂNa2co3ஹCO2(H2O,CCh(H2Or᣸~,CC)2r÷NaOH01஺dknᙠúFḄû⚪,uý18.4gÈᔠᱥþJᐰ01,ÿḄxᑣᨵ᪷ᓄANaHCO+NaOH=Na2cO?+COT+HOTAm3221241818.4gxx=l&J8=2.7g,2.7g>(18.4—16.6)g,ᡠNaOHNaHCChᐰNaOHḄᱥḄNaHCOaCᔠ⚪ᫀ⌱C஺$ஹ⌱⚪12.(2018&'()*+,).ᑡ0123ᓄ456ᐵḄ8()A.ᛛᧇὁᓄB.=>?ᓄC.@ABᡂD.DᔁFᐝ

6ூᫀ௃BCூJ᪆௃ூLJ௃A.ᛛᧇὁᓄ8ᛛᧇMNO(Ḅ023ᓄḄ83ᓄ45ᦑAQ⌱B.=>?ᓄḄᓄRNa2cO.ylOHzONa2co3+IOH2O,Q83ᓄ45ᦑB⌱C.@ABᡂḄ5ᳮᓄRCaCO3+HO+CO=CaHCO3T2,CaHCO3T2=CaCO31+CO2t+HO,Q82223ᓄ45ᦑC⌱ᐝUD.DᔁFᐝḄ5ᳮᓄR2AgBr32Ag+Bn,83ᓄ45ᦑDQ⌱Rᦑᫀ⌱BC஺13.2018&'()*+,TV0.20mol/LḄW⏚YᱥḄZ[cmol/LḄNaOH@\ᢥQ^_`aᑴᡂcd@\஺.⊤8aᑴfᡠgW⏚2NaOH@\_`2hᔠi@\(Na+2Cl-ḄᱥḄZ[ᦪlmᶍ@\_`oᓄTRhᔠpᡠg@\_`lmL
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@\HC1NaOHNa+aজ30X1.5zzঝ10yz2z.ᑡstuvlTA.x=90B.y=30C.z=0.10D.c=0.10ூᫀ௃ADூJ᪆௃ூᑖ᪆௃ᵫ⚪yzhᔠi@\(Na+qrᐰ|ᩭ~NaOH,Ctqrᐰ|ᩭ~HCL᪷ᐗឤᑡ@\জY@\ঝhᔠiNa+qrYCtqrZ[Ḅ஺ூLJ௃ᵫ⚪yzhᔠi@\(Na+qrᐰ|ᩭ~NaOH,qrᐰ|ᩭ~HCLḄcmol/LxxmL0.2mol/Lx30mL@\জhᔠi@\(c(Na+)--1.5zmol/L,-zmoI/L(30+x)mL(30+x)mLcmol/LxymL0.2mol/Lx1OmL@\ঝhᔠi@\(c(Na+)-^zmol/L,c(Cl)--2zmol/L(10+y)mL(10+y)mLJRx=90,c=0.10,y=10,z=0.05ᦑᫀ⌱ADo14.2021)*+,T.ᑡstQuvḄ8

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᪆௃ᶍ15.l2018&'()*+,TMஹNcd@\ᔜ×ᨵ.ᑡᓝdqr(ḄÙdRAF+,Na\Mg2+,H\ChNO,ஹOHஹSCh'ஹSCM-ஹCO32-àzc@\ᡠ×qrᔜQá^.ᑡᑨ¨uvḄ8lTA.᝞äMᕈæ⏚ឋᑣN(yçᔣf×ᨵNChஹSO42-ஹCO2-3B.᝞äMᕈæ>ឋᑣN(yç^f×ᨵAF+ஹSO42'.Cl-C.᝞äMᐹᨵæ45ឋᑣN(ëÑ^f×ᨵH+ஹMg2+ஹC1-D.᝞äMᐹᨵæ3ᓄឋᑣN(ëÑ^f×ᨵNa+ஹOHஹSO32-ூᫀ௃BDூ
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8A.5NaCL5CuS04B.345CaOஹNaOHC.5CaCCh,345NaOHD.345CaO5CaCChூᫀ௃ACூ᪆௃ூᑖ᪆௃ᔣজ&ᡠ[\]^&Qᐭ100mLimol/LHCl,ᨬi[ᑮk⁐mnW^3᪵2&5CuSCU,opq&ᐳr90.04molstᓽCO2,ᵫCO32-+2H+=CO2+H2஺3
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vW^&QᐭSTḄw⏚xyzw⏚[ᑮ15.8g|⁐}~ᓽAgCl,n(AgCl)=~->0.1mol,ᑣ᪵2&ᨵNaCIBT(1®J¯--0.1mol)x58.5g/mol»0.59g,ᑣ᪵2&ᐸ³ᡂᑖµBT4.7g-0.59g=4.11g,¶5CaCCh,ᑣ.ᐗ¸ᱥBḄTºᔠ⚪¼ᦑ᪵2&5ᨵCaCOa¤ᵫ¾᪵2¿ᨵ)@ᩖBᑣCaO¥106g/molNaOH¿5ᐸ&@஺ூÀ௃ᔣজ&ᡠ[\]^&Qᐭ100mLimol/LHCLᨬi[ᑮk⁐mnW^3᪵2&5CuSCU,opq&ᐳr90.04molstᓽCO2,ᵫCO32-+2H+=CCh+H2O3
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vW^&QᐭSTḄw⏚xyzw⏚[ᑮ15.8g|⁐}~ᓽAgCl,n(AgCl)=—~>0.1mol,ᑣ᪵2&ᨵNaClÄBT(143.5g/mol143.5g/mol0.1mol)x58.5g/mol«0.59g,ᑣ᪵2&ᐸ³ᡂᑖµBT4.7g-0.59g=4.11g,¶5CaCChᑣ.ᐗ¸ᱥB411“ḄT<~/Ⱥᔠ⚪¼ᦑ᪵2&5ᨵCaCCh;ᵫ¾᪵2¿ᨵ)@ᩖBᑣCaO¥106g/molNaOH¿5ᐸ&@¤A.ᵫᑖ᪆3᪵2&5NaO,5CuSCU,ᦑAÊËJB.ᵫᑖ᪆3᪵2&34ÌÍ5CaOஹNaOH,ᦑB┯ϤC.ᵫᑖ᪆3᪵2&5CaCO3,345NaOH,ᦑCÊˤD.ᵫᑖ᪆3᪵2&345CaO,5ᨵCaCCh,ᦑD┯ÏJᦑᫀ⌱AC஺ூÑÒ௃Ó¼Ô⚪⌕ᳮn⚪Ö&ᡠ×ØÙ⌕ឋᑨÜÝ⌕Þpßà[ᑮ᪵2&ᡠ5ḄᩖB@áoÔ⚪᧕┯Ñ஺)ஹᐗ¸ᡈᱥBäÜ⚪17.(2020.åæ.()*+)(1)ᓄᔠᱥAஹBஹCஹDஹXèéḄêᓄᐵFë஺ᓄᔠᱥX5)@ᐗ¸

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ᙠῚ⌼⚨ᓄᔠᱥX\13GPaḄ!"#$ᢝ&'஺5.0,X-ᙠ.'ᩩ0"1ᐰᑖ45B-70.4,A-(;<)>A-Ḅ?@A50.18gL\A-7B-ᱥEḄFGH51I2஺Y-5LᨵC-ᐗPḄ;᝱Rᓄᱥ-#STUVWX⁐IC-ḄᓫE[\]ᑖ^-ᐹᨵ`]a᪀஺E-5defgᱥ-hi◞kl;mnopD-7F--stḄD-7FḄᱥEḄFGH51I3஺Y-uiv1I1wtᓄᔠxytᡂG--Ꮇ|xy}f~ὑ-NஹB\C5ᓫE-;<ᦪᙳ5᪗]"'I᪷᝞"ᓄᐵ-A\B\C\D\E\FḄᓄIA(ஹB-ஹC'ஹD'ஹE-ஹF஺7ᙳ5ᓫE-ᡠLᐗPḄ^ᦪ[Ḅ2஺ᑏᵬஹஹḄᓄIᵬߟߟoூᫀ௃KNH,KN3HeNaSNaSNa2sO3Na2so4H2sSSO22ூ4᪆௃ூᑖ᪆௃ூª4௃(1)ᵫ⚪®-B5KOH,C5NFh,ᵫᐗP°ឤ²'X³´ᐗP5KஹNஹH,ᵫxy2ᡠᦪµ1344L¶pI/7(N)=w(NH)=-—-=0.6mol,|XḄᓄ5KuNbHc,b=l,ᑣ஻(KaNHc)f(N)=0.6322.4L/mol

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14ᵯᵯ¨©ª«¬lmᜧᦋ°±#Ḅᔾᦈlmᜧᓄᦑ?ᫀAd1;ᜫᵯlmᙠᕶCr¡3d'ᵯ᪀¢¥¦ឋBᵫ§ᜫᵯ⌼ᡂᵯ¨©ª«¬lmᜧᦋµ¶ᔾᦈlmᜧᓄ஺·ஹ¸g⚪20.(2018ᐰ»•½¾¿À)᪷ÂᩩÄÅᑏᓄtdeuv஺(1)ÇÈÉr⏚Ë`╅ÍÎÏMg2B2O4(OH)2ÒᙠsÓÔ9deᑴᜓÍ⏚஺(2)ÉÕÖᧇØÙÚᐗ
ḄÛv9ᑭᵨÞß⏚àᙠá⏚ÓÔ9âPu3+kᓄPu4+o(3)NaBHçᓄè(᥅7ê2A1)ᙠsÓÔ9deëᑮíîÍᓄᱥAÍᓄ╅`Í⏚(᥅7ê1A43)஺(4)ðÛKMnO4`H2O2ᙠKF-HFó9deôëᓄtõᑴFḄVᧇKMnF226(5)öᓄᵬ÷Ḅø⏚ÓÔdeùᱥúø⏚û(ü)஺Ï?ᫀÒ2NH4HCO3+Mg2BO4(OH)2=2Mgec)3+2NHs+2HaBC^NHaHCCh+MgBO4(OH)+2H2O=2222Mg2(OH)2cO3+NH3+2H3BO34H++2HNO+4Pu3+=N2O+4Pu4++3H2O8NaBH+4NiCh+18HO242=6H3BO3+2NiB+8NaCl+25H22KMnCh+3HO+2KF+1OHF=2KMnF+3O+8H2O2PH3+2222628HCHO+H2SO4=ÏP(CHOH)4Ò2SO42ூ᪆௃ᶍ21.(2022)᪷⌕ᑡ⚪প◀ᣵBaCb!"Ḅ$%FeCbᩖ)*+ᐭBa(0H)2ᡈBaCCh,⌱ᵨ345ᑺ78஺(2)AlCh!;Na2s!>ᔠ@AB⁐DE;ᨵGHឋJᕡḄJL*MJL@ᱥO஺(3)RCOTᐭᑮPdCb!"*XYᑮᨵZ⁐DE(Pd)Aᡂ*ᑣ]ᓄᑺ_`aᑺḄᱥ)Ḅ%bcO(4)ᔣfᓄg;h⏚g>ᔠ!"TᐭSO2kᑴᜓfnf⏚g*ᑏpqrḄᓄstuv______஺(5)yz{ᩭ}~ᑺCIChkᵫKC1O3ᙠH2s04ᙠ_ᵬ⏣qrᑴᜓ*qr@A4JL*ᑏpqrḄᓄstuv______஺ூᫀ௃(1)ফ(3)(4)(5)ூ᪆௃ᶍ22.(2020ᐰ)ᑏqrtuv(⌕ᦪᨬ᦮ᦪc(1);(2)"{ᯠᩩᩖ*ᔠᳮ⌱¢ᓽk)஺(1)ᐵ¥ᙢᳫḄ¨ᓄ*©ª«⌕ḄX¬O*aᙢᳫ®¯ᨵ]J*ᙠ°]ᡈ]J±%²³´*a᪶Aᱥkᑭᵨ{ᯠᙠḄᨵ·)(ᵨCH2O⊤);¹º°·ᱥqr»¼½%஺¾᝞*so;MnO2kᑖÄÅ®Æ

15ÇuḄ]ᓄᑺ*ªὅAᡂÉ⁐ÊËᱥ*ὅᙳÍp°⁐°ᕡJL஺জᑏpsoÏ_ḄнqrḄÑÒtuv_____஺ঝᑏpMnO2Ï_ḄнqrḄÑÒtuvo(2)Ô27ÕÖªᐝᔠÅᵨØÙA*ÚḼÜÝÇuḄÞß*ᙢᳫ®]Jàáâã*äÇåæḄ¨çèéᑮ᝞êḄ±%஺]JḄëᡂ;âã*ìíᙢᳫ®{ᯠᱥ)ḄᑖîÙAçᓄ஺জᙠïð"ḄFe2+ñ]ᓄòçᡂ┐ôõa-FeO(OH)öDâ*ᑏpÑÒtuv஺ঝ_ôḄDâà÷*▮ᙢ®ḄM0S2ñ]ᓄöìíù¥ïðö᪆pᓫ)f*ᑏpÑÒtuv஺(3)2020Ö8ᨴ4üý*þÿᱯ
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$%Ḅ&2750ᔴ(⏚╆Ḅᑖ,஺-᜜/(⏚0123ᑖ,45ᰦ6789ᑴᑣ<ᵨᙠ◤⌕ᐙBḄCD᝞FGᳫḄᑴ⌼JK஺জᑏN(⏚╛ᑖ,N⁐BPḄQRSDT஺ঝᑏN/(⏚᪶12ᑖ,ᵨWᐙBḄQRSDT஺ூYᫀ௃3CH,O+2SOf+4H+=3CO+2S+5H,OCHO+2MnO,+4H"=CO+2Mn2++3HO22224Fe2t+O+6H,O=4FeO(OH)+8H+2MoS+30,+2H,O=2MoO^+4S+4H224NHNO=2NO+3N+8HONHNO=N,+2HO43222422ூ,᪆௃ூᑖ᪆௃ூ^,௃(1)জᨵ`a(CHzO)bc⏚᪷eᓄghQRᡂjk⁐Ḅcᓫam⁐mᕡBP"oeᓄpᨵ`aKCᓄᔠrᵫ0ᑮ+4rc⏚᪷KSᵫ+6ᑮ0r᪷uᓄᔠrᓣvwᦪyz{|}QRḄSDT~3CHO+2SO^-+4H+=3CO+2S+5HO,ᦑYᫀ"~3cH2O+2SO-+4H+=3CO?+2S+5H222ঝoeᓄ═eᓄᨵ`aᡂoeᓄpor═᪷uᓄᔠrᓣvwᦪyz}QRSDT~CHO+2MnO+4H+=CO,+2Mn2++3HQ,ᦑYᫀ"~CH,0+2MnO+4H+=CO+2Mn2++3HO22222(2)জFe2+eBeᓄᡂ┐a-FeO(OH),Ḅᓄᔠrᓣ1r1eᑖᓄᔠrv4r᪷uᓄᔠrᓣvwᦪyz}QR4Fe"+஺2+6HO=4FeO(OH)+8H+,ᦑYᫀ"~24Fe2+++6HO=4FeO(OH)+8H+2ঝM0S2eᓄW᪆Nᓫac

16ஹ¡⚪23.(2020.ᐰ©•«¬)X°±²MḄ´Tp⏚µ¶·¸ᨔº஺»¼a½yzḄ᪵¿ÀÁᑖÂÃÄᜐᳮ~ÇÁᙠH2Kᐙᑖᜐᳮ(QR1),ᦈÌ}0.994gºᒕÑÒÓ"±²MḄᓫaÔ2.356g-ÇÁᑣᙠCOKᜐᳮ(QR2),ÙᐰQRÚ}ᑮ1.245LCO2(10I.325kPa,0࠷),ᒕÑÒÓQR1Ùᐰy஺পâC¡ãNXḄᓄT______஺(2)ᑏNXᑖÂHz,CO?QRḄSDT(⌕çèᦪ"ᨬê᦮ᦪì)ூYᫀ௃CU2(OH)2co3CU(OH),CO,+2H,=2CU+CO+3H,O22CU(OH),CO+2co=2Cu+3cO2+HO232ூ,᪆௃ூᑖ᪆௃ூ^,௃(1)QRIòHzOḄᱥaḄ½11=«=ᯅ=0஺5519mo1,QRRòCO2ḄᱥaḄ½M18.01g/molV1245Ln=—=ߟ-=005556mol,<ÿὅX▢ᑖḄHOCOḄᱥḄ22V22.4L/moIm#.$%ᙠXOH-CO(ḄᱥḄ)*+2:1,XḄᓄ012+M“[(OH)2co3],;<1=Mn(OH)2co3+2H2-nM+3H2O+CO2,;<2=Mn(OH)2co3+2CO-nM+H2O+3CCh,23562MḄC+AM,ᨵFG=0O5538=n:3,KAM=127.6/II,2n=2,ᑣMḄCAM=63.80,NᐗAMPᕜR⊤+T(63.55),Uᔠ⚪X,ᑣXḄᓄ01+=CU2(OH)c03(2(2);<1=Cs(OH)2c03H2;<Ḅ[\1CujOH)2co,+2_=2CU+CC)2+3HQ,;<2=Cu2(0H)2cChCCh;<Ḅ[\1Cu2(OH)2c஺3+2CO=2Cu+3c+H^஺.cஹef⚪24.(2020•hi•jklm)nFes஺,NaOHᑴᜓFe(OH)2Ḅu\vGwᮞy⁐ᱥX஺{|%ᱥ1.0293g,ᵨ⏚ᐰᑮ250mLn᤯ᒴK᪵஺জ|᪵25.00mL┵ᐭ25mL0.50moiL'H2so,ᵨ0.005000molL'KMnO¡¢4£¤¥ὑKMnO,,25.60mL஺ঝ|᪵25.00mLỚ〉ª0.8gK1ᙠᨩᜐ®5ᑖ¯஺80mL஺°ᓽn0.02500mol1+22,03¢²³⁐´ᐭµ¶¢·⁐¥ᜫ஺¥ὑNaS஺,12.80mL«ঞ|᪵100.00mL¼½¾¢ᐭHC1pH=lÀÁÂ᠒ᐭuḄBaC1஺☟®GÆÇuÈஹÉÊஹᮞᓄᙠ800CË̽ឤÎ{KÏÐᱥÑÎ0.2988g஺᪷ÓefÔÕᐵ[×ØÙvXḄᓄ01n⊤Ú+=nxÜᓄᱥ.mx.yxÞÜᓄᱥßn:m:yà

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5Fe2+~MnO,
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1
1FGᓄᱥJ233g/moi100FeO,᪷M“(Fe2+)
"(Fe3+)
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FeO3-2FeSO4-2Fe(OH)2222(2)ᵫZ[ᡂᱥ!)ᨵ^_`+ᦑᨵabcd+efO#cdJ
FeSO4+NaOH+O2->Fe2O3-2FeSO-2Fe(OH)2+NaSO4+᪷Mᜫᵯj<ឤefklmnJ
4212FeSC)4+NaOH+lO2T2[Fe2O3-2FeSO
2Fe(OH)2]+Na2s஺4+Wᔠᐗ;<ឤO#mntu◤wx4yHO,z᦮mn%:12FeSO+16NaOH+O2=2[Fe2O3-2FeSO4-2Fe(OH)2]+8Na2SO4+4HOo242