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        1. Ӣҽ̾W(wng) > лW > }ĿԔ
          ijУWdȤСM̽Fcķ(yng),O(sh)ӋˈD1D2ʾbMЌ

          1fSO2wa(chn)ČF(xin)                                 
          2D2Ќ(do)eҪÞ                                             
          3bЈD2еNaOHҺSO2β⣬ֹȾ猢QKMnO4Һͬӿ_ĿԇKMnO4ҺcSO2(yng)ĻWʽ
                                                                  
          4ȃ׌byl(f)F(xin)D2bóܸõжwSO2ֹȾh(hun)⣬߀һdz@ă(yu)cJ                                
          5(yng)һΕrgֹͣ(yng)sz^ιȡAԇеҺ뵽mˮԇԇxӵijɷNܣ
          ֻFe3+ֻFe2+   󣺼Fe3+Fe2+
          _JҺijɷxԇ
          AϡHClҺCKSCNҺDKMnO4Һ
          ENaOHҺ     FH2O2Һ
          ԇP(gun)Č̽
           
          򞲽E
           
          F(xin)󼰽Y(ji)Փ
          1ȡһ֧ԇܣμ1-2mLԇҺԇеμӎ׵KSCNҺ
          1                         tf
          2                         tfҺдFe3+t
          2                    
                               
                                                       
                                                      
           
          1BƷtҺɫ 1֣
          2ֹͣӟrֹܷƽ≺𰸾ɣ2֣
          32KMnO4+5SO2+2H2O=K2SO4+2MnSO4+2H2SO4
          4ڿƷ(yng)İl(f)ֹͣ 2֣
          5
           
          򞲽E
           
          F(xin)󼰽Y(ji)Փ
          1ȡһ֧ԇμ1-2mLԇҺԇеμӎ׵KSCNҺ
          1]^쵽Һɫ@׃tf1֣
          2^쵽ҺɫD(zhun)tɫtfҺдFe3+t1֣
          2 ȡһ֧ԇ1-2mLԇҺz^ιεμKMnO4Һ 1֣
           μKMnO4ҺҺϼtɫɫtfҺкFe2+fμKMnO4ҺҺϼtɫtfҺЛ]Fe2+f5Fe2+ + MnO4- +8H+ = 5Fe3+ + Mn2+ +4H2
           

          ԇ}1ʹƷtҺɫfSO2wa(chn)ČF(xin)ǣBƷtҺɫ
          2ֹͣӟrbF͝ԇЉpС@һ(do)ֹܷƽ≺
          32KMnO4+5SO2+2H2O=K2SO4+2MnSO4+2H2SO4
          4׌(yng)_ʼFzһ׌|׌(yng)ֹͣrFzx@ӱڿƷ(yng)İl(f)ֹͣ
          5Fxc軯⛷(yng)ѪtɫҺôˁzrFxrFxӵęzǵ߀ԭԡFxӱiȻ軯⛁Mд_
          ϵд
          P(gun)}

          ĿлW ԴԔ x}

          a gFXϽĩ}^NaOHҺ^Vϴ졢Ɵõtɫĩ|(zh)Ԟa gtԭϽF|(zh)֔(sh)飨
          A70%B524%C476%D30%

          鿴𰸺ͽ>>

          ĿлW ԴԔ x}

          FeCl3CuCl2ҺһFַۣ(yng)ҺеĽxӲ
          AFe2+BCu2+Fe2+ Fe3+
          CH Fe3+ Fe2+ DCu2+Fe2+

          鿴𰸺ͽ>>

          ĿлW ԴԔ x}

          ֪2FeCl3+Cu=2FeCl2+CuCl2ʢȻFҺğͬrFۺ~(yng)Y(ji)ܳF(xin)ĽY(ji)
          A~oF
          BFo~
          CF~
          DF~o

          鿴𰸺ͽ>>

          ĿлW ԴԔ }

          ֪xӷ(yng)Fe33SCNFeSCN3з(yng)ѸF(xin)@cǙzFe3õķ֮һijWdȤСM̽FeSCN3|(zh)Œ򞣺
          ȡ10 mL l molL1FeCl3Һμ34ΝKSCNҺʎҺ׃ɼt
          ɫ
          ȡtɫҺμSoҺtɫȥͬra(chn)ļtɫ 
          wA
          یԓwAͨ^BaOH2Һa(chn)ɫBʣwC
          wCoɫoζʹȼľlϨ磬ŷŵ՚׃՚ijɷ֡
          ^VɫBеμϡȫܽͬra(chn)ʹʯˮ׃
          ğoɫoζwD
          з(yng)ҺSμBaCl2Һa(chn)ϡİɫE
          (j)F(xin)شІ}
          1BĻWʽ_________________EĻWʽ___________________
          2ϚwAijɷ___________________Wʽ
          3ԓdȤСMͬW(j)όF(xin)óY(ji)ՓFeSCN3߀ԭtз(yng)rԪ____________Ԫط̖(j)ԪCSNԭӽY(ji)(gu)͹rIP(gun)֪RƔSCNĽY(ji)(gu)ʽ_________________
          4з(yng)xӷʽ___________________________________________
          5ԓdȤСMͬWеõl(f)SCNgәzFe2r(yng)ע_________________________________________________________________.

          鿴𰸺ͽ>>

          ĿлW ԴԔ }

          S~V(ҪɷCuFeS2)ƾ~šʾD£

          1ڷt~VɰʯӢɰϼӟᵽ1000S~Vc՚ⷴ(yng)CuFeĵ̓rҲFeD(zhun)̓rԓ^ЃɂҪ(yng)ĻWʽ                   t(ni)ɠtҪɷ          
          2~(Cu2SFeSۺ϶)Cu20%50%D(zhun)t~ۄ(ʯӢɰ)1200Ҵ՚Mд~еCu2SCu2OɵCu2OcCu2S(yng)ɺCus98.5%Ĵ~ԓ^̰l(f)(yng)ĻWʽ                     
          3~늽⾫Dʾڴ~늽^~LjD늘O          (Dеĸ)늘Odϰl(f)늘O(yng)ʽ          ~߀AuAgFe늽еĴʽλÞ             

          鿴𰸺ͽ>>

          ĿлW ԴԔ }

          ɏU~мđ\CuSO45H2OČ£

          1ϴ~м۵ԇ5% Na2CO3Һ@Na2CO3Һ        .
          2ܽ~мһNǣ~м뵽ϡcpˮĻҺв30~40ˮԡӟһΕrg~ȫܽõ~Һ
          ԓ(yng)ĻWʽ                                .
          ڷ(yng)ضȲܳ^40ԭ                        .
          3~Һ@đ\IJΞ                ^Vϴ

          鿴𰸺ͽ>>

          ĿлW ԴԔ x}

          20132_˹(ni)дEʯ(jng)^WEʯxB(ti)Fs10%ң߀ϙʯFe2SiO4}ȻWɷP(gun)f_
          AEʯһN^ߵĹ}Vʯ
          BEʯA
          CEʯкxB(ti)F̫FĻԱȵFĻԵ
          DϙʯFe+2r

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          ĿлW ԴԔ x}

          ag~zڿ՚мӟһΕrgѸٲ|(zh)ȡ˷(f)״ȡ~zsˮϴ졢Q|(zh)b g|(zh)c~z|(zh)P(gun)ϵ_                                              
          ACO a > bBҴҺ a =b
          CNaHSO4 a > bDʯˮ a < b

          鿴𰸺ͽ>>

          ͬԴ