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        1. ijW(xu)dȤСM̽Fcķ(yng),O(sh)Ӌ(j)ˈD1D2ʾbM(jn)Ќ(sh)(yn)

          1f(shu)SO2wa(chn)Č(sh)(yn)F(xin)                                 
          2D2Ќ(do)eҪÞ                                             
          3bЈD2еNaOHҺSO2βֹȾ猢QKMnO4Һͬӿ_(d)Ŀԇ(xi)KMnO4ҺcSO2(yng)ĻW(xu)ʽ
                                                                  
          4(du)ȃ׌(sh)(yn)bãyl(f)F(xin)D2bóܸõжwSO2ֹȾh(hun)߀һ(g)dz@ă(yu)c(din)J(rn)                                
          5(yng)һΕr(sh)gֹͣ(yng)sz^ιȡAԇеҺ뵽mˮԇԇxӵijɷNܣ
          ֻFe3+ֻFe2+   󣺼Fe3+Fe2+
          _J(rn)Һijɷ֣xԇ
          AϡHClҺCKSCNҺDKMnO4Һ
          ENaOHҺ     FH2O2Һ
          ԇP(gun)Č(sh)(yn)̽
           
          (sh)(yn)E
           
          (sh)(yn)F(xin)󼰽Y(ji)Փ
          1ȡһ֧ԇμ1-2mLԇҺԇеμӎ׵KSCNҺ
          1                         tf(shu)
          2                         tf(shu)ҺдFe3+t
          2                    
                               
                                                       
                                                      
           
          1BƷtҺɫ 1֣
          2ֹͣӟr(sh)ֹܷƽ≺(qing)𰸾ɣ2֣
          32KMnO4+5SO2+2H2O=K2SO4+2MnSO4+2H2SO4
          4ڿƷ(yng)İl(f)ֹͣ 2֣
          5
           
          (sh)(yn)E
           
          (sh)(yn)F(xin)󼰽Y(ji)Փ
          1ȡһ֧ԇμ1-2mLԇҺԇеμӎ׵KSCNҺ
          1](mi)^쵽Һɫ@׃tf(shu)1֣
          2^쵽ҺɫD(zhun)tɫtf(shu)ҺдFe3+t1֣
          2 ȡһ֧ԇ1-2mLԇҺz^ιεμKMnO4Һ 1֣
           μKMnO4ҺҺϼtɫɫtf(shu)ҺкFe2+f(shu)μKMnO4ҺҺϼtɫtf(shu)ҺЛ](mi)Fe2+f(shu)5Fe2+ + MnO4- +8H+ = 5Fe3+ + Mn2+ +4H22֣
           

          ԇ}1ʹƷtҺɫf(shu)SO2wa(chn)Č(sh)(yn)F(xin)ǣBƷtҺɫ
          2ֹͣӟr(sh)bF͝ԇЉ(qing)pС@һ(do)ֹܷƽ≺(qing)
          32KMnO4+5SO2+2H2O=K2SO4+2MnSO4+2H2SO4
          4׌(yng)_(ki)ʼFzһ׌|׌(yng)ֹͣr(sh)Fzx@ӱڿƷ(yng)İl(f)ֹͣ
          5Fxc軯⛷(yng)ѪtɫҺôˁ(li)z(yn)r(ji)Fxr(ji)Fxӵęz(yn)ǵ߀ԭFxӱiȻ軯⛁(li)M(jn)д_
          (x)(c)ϵд
          P(gun)(x)}

          ĿлW(xu) (li)ԴԔ x}

          a(b) gFXϽĩ}^(gu)NaOHҺ^(gu)VϴƟõtɫĩ|(zh)Ԟa gtԭϽF|(zh)?jn)?sh)飨
          A70%B524%C476%D30%

          鿴𰸺ͽ>>

          ĿлW(xu) (li)ԴԔ x}

          FeCl3CuCl2ҺһFַ(yng)ҺеĽxӲ
          AFe2+BCu2+Fe2+ Fe3+
          CH Fe3+ Fe2+ DCu2+Fe2+

          鿴𰸺ͽ>>

          ĿлW(xu) (li)ԴԔ x}

          ֪2FeCl3+Cu=2FeCl2+CuCl2ʢȻFҺğͬr(sh)Fۺ~(yng)Y(ji)ܳF(xin)ĽY(ji)
          A~o(w)F
          BFo(w)~
          CF~
          DF~o(w)

          鿴𰸺ͽ>>

          ĿлW(xu) (li)ԴԔ (sh)(yn)}

          ֪xӷ(yng)Fe33SCNFeSCN3з(yng)Ѹ١F(xin)@c(din)Ǚz(yn)Fe3õķ֮һijW(xu)dȤСM̽FeSCN3|(zh)Œ(sh)(yn)
          ȡ10 mL l molL1FeCl3Һμ34ΝKSCNҺʎҺ׃ɼt
          ɫ
          ȡtɫҺμSᣬoãҺtɫȥͬr(sh)a(chn)ļtɫ 
          wA
          یԓwAͨ^(gu)BaOH2Һa(chn)ɫBʣwC
          wCo(w)ɫo(w)ζʹȼľlϨŷŵ՚(hu)׃՚ijɷ
          ^(gu)VɫBеμϡȫܽ⣬ͬr(sh)a(chn)ʹʯˮ׃
          ğo(w)ɫo(w)ζwD
          з(yng)ҺSμBaCl2Һa(chn)ϡİɫE
          (j)(sh)(yn)F(xin)شІ(wn)}
          1BĻW(xu)ʽ_(ki)________________EĻW(xu)ʽ_(ki)__________________
          2ϚwAijɷ___________________W(xu)ʽ
          3ԓdȤСMͬW(xu)(j)ό(sh)(yn)F(xin)óY(ji)ՓFeSCN3߀ԭt(sh)(yn)з(yng)r(sh)Ԫ____________Ԫط̖(ho)(j)ԪCSNԭӽY(ji)(gu)͹r(ji)IP(gun)֪R(sh)ƔSCNĽY(ji)(gu)ʽ_(ki)________________
          4(sh)(yn)з(yng)xӷʽ_(ki)__________________________________________
          5ԓdȤСMͬW(xu)(sh)(yn)еõl(f)SCNgәz(yn)Fe2r(sh)(yng)ע_________________________________________________________________.

          鿴𰸺ͽ>>

          ĿлW(xu) (li)ԴԔ }

          S~V(ҪɷCuFeS2)ƾ~šʾD£

          1ڷtУ~VɰʯӢɰϼӟᵽ1000S~Vc՚ⷴ(yng)CuFeĵ̓r(ji)ҲFeD(zhun)̓r(ji)ԓ^(gu)Ѓɂ(g)Ҫ(yng)ĻW(xu)ʽ                   t(ni)ɠtҪɷ          
          2~(Cu2SFeSۺ϶)Cu20%50%D(zhun)t~ۄ(ʯӢɰ)1200Ҵ՚M(jn)д~еCu2SCu2OɵCu2OcCu2S(yng)ɺCus98.5%Ĵ~ԓ^(gu)̰l(f)(yng)ĻW(xu)ʽ                     
          3~늽⾫Dʾڴ~늽^(gu)У~LjD늘O          (Dеĸ)늘Odϰl(f)늘O(yng)ʽ          ~߀AuAgFe?c)늽еĴʽλÞ?u>             

          鿴𰸺ͽ>>

          ĿлW(xu) (li)ԴԔ (sh)(yn)}

          (sh)(yn)ɏU~мđ\CuSO45H2OČ(sh)(yn)£

          1ϴ~м۵ԇ5% Na2CO3Һ@Na2CO3Һ        .
          2ܽ~мһNǣ~м뵽ϡcpˮĻҺв30~40ˮԡӟһΕr(sh)g~ȫܽõ~Һ
          ԓ(yng)ĻW(xu)ʽ                                .
          ڷ(yng)ضȲܳ^(gu)40ԭ                        .
          3~Һ@đ\IJΞ                ^(gu)Vϴ

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          ĿлW(xu) (li)ԴԔ x}

          20132_˹(ni)дEʯ(jng)^(gu)W(xu)EʯxB(ti)Fs10%߀ϙʯFe2SiO4}ȻW(xu)ɷP(gun)f(shu)_
          AEʯһN^ߵĹ}Vʯ
          BEʯA
          CEʯкxB(ti)F?yn)̫FĻԱȵFĻԵ
          DϙʯFe+2r(ji)

          鿴𰸺ͽ>>

          ĿлW(xu) (li)ԴԔ x}

          ag~zڿ՚мӟһΕr(sh)gѸٲ|(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>>

          ͬ(x)(c)