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        1. ijУW(xu)dȤСMͬW(xu)(zhn)䌦ijFƷFĺM(jn)̽Ո㰴Ҫ̽森
          [}]FǼFǼFtԓFƷF|(zh)|(zh)?jn)?sh)Ƕ٣
          [Y]1FгF߀̼衢iԪأ
          2̼FԃɷNΑB(ti)һNx̼ʯīһNǻ̼Fe3Cȣiȴʽ^(f)s
          3йiԪص|(zh)ͨcϡl(f)W(xu)(yng)
          [ƶ]ʹFƷc^ϡᷴ(yng)Q(yng)ǰ|(zh)|(zh)
          [^]
          1ȡһֻQ|(zh)70.4gһFƷмQß͘ƷĿ|(zh)102.4g
          2ʢFƷğмϡ߅߅ֱвٮa(chn)ټϡԴ_^yùȥϡ247.3g
          3oãQQßʣ|(zh)Ŀ|(zh)348.7g
          [(sh)(j)̎]ͨ^ϔ(sh)(j)ķӋ㣬ԓFƷF|(zh)|(zh)?jn)?sh)
           
          %
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          1QrQ(yng)бPƽ
           
          Px󡱻ҡ
          2^ϡҪ^ԭ
           

          3(yng)^пɿКðҺɟoɫ׃?yu)\Gɫɴ˵֪(yng)һ˚
           
          Q
          4(jng)|(zh)zT_yԓƷFԪصĿ|(zh)?jn)?sh)95.2%ͬW(xu)a(chn)ɆՈ
           

          [Y(ji)Փ](jng)^̽ͬW(xu)֪FǼFHFҪ
           
          [(sh)(j)̎]FƷІ|(zh)Fcϡᷴ(yng)ɚɷֲcϡl(f)(yng)ˣ(yng)ǰʣ|(zh)Ŀ|(zh)IJ鷴(yng)a(chn)|(zh)Ú|(zh)(j)(yng)ĻW(xu)ʽӋㅢӷ(yng)F|(zh)FƷF|(zh)F|(zh)?jn)?sh)
          [ӑՓ]1Qr(j)ҴaԭtQ(yng)ƽP
          2ֻFІ|(zh)Fȫ(yng)rɮa(chn)|(zh)ӋF|(zh)_ĽY(ji)ˣО_|(zh)Fȫ(yng)Ҫ^ϡ
          3F(xin)e2+xӵҺ\GɫҺF^쵽Һɟoɫ׃?yu)\GɫДҺк၆F
          4ƷFԪصĿ|(zh)|(zh)F|(zh)ͻFe3CFԪص|(zh)FƷF|(zh)|(zh)tFлFe3CеFԪأ
          [Y(ji)Փ]F䓶FĺϽF麬̼2%4.3%FϽ
          ⣺[(sh)(j)̎](yng)ǰʣ|(zh)Ŀ|(zh)ɚ|(zh)=102.4g+247.3g-348.7g=1g
          O(sh)ӷ(yng)|(zh)F|(zh)x
          Fe+H2SO4=FeSO4+H2
          56            2
          x             1g
          56
          x
          =
          2
          1g
            x=28g
          FƷF|(zh)|(zh)?jn)?sh)=
          28g
          102.4g-70.4g
          100%
          =87.5%
          ʴ𰸞飺87.5
          [ӑՓ]1ʹƽQƷ|(zh)rҪѭҴaʹԭt˷Q(yng)ƽP
          ʴ𰸞飺
          2FƷF|(zh)|(zh)?jn)?sh)Ҫʹ|(zh)cϡȫ(yng)_Fȫ(yng)ͨ^^ϡM(jn)п
          ʴ𰸞飺_FƷF|(zh)cϡȫ(yng)
          3Fcϡl(f)ÓQ(yng)၆F͚⣬၆FҺʜ\Gɫ
          ʴ𰸞飺၆F
          4(j)Yϣ̼FԃɷNΑB(ti)һNx̼ʯīһNǻ̼Fe3CȣFƷFԪ|(zh)|(zh)F|(zh)cFe3CFԪ|(zh)֮ԣԓƷFԪصĿ|(zh)?jn)?sh)95.2%ژƷF|(zh)|(zh)?jn)?sh)87.5%
          ʴ𰸞飺FеFԪسԆ|(zh)ʽ߀Fe3CʽF|(zh)|(zh)?jn)?sh)СFԪصĿ|(zh)?jn)?sh)
          [Y(ji)Փ]F麬̼2%4.3%FϽ𣬶ǼεĆ|(zh)F
          ʴ𰸞飺Ͻ
          cuFFԪxFͻFɷNΑB(ti)F(xin)FF|(zh)|(zh)?jn)?sh)СFԪصĿ|(zh)?jn)?sh)
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          ĿлW(xu) Դ

          29ijW(xu)dȤСMͬW(xu)(jng)Y֪m(dng)ضȺ߻l¿D(zhun)׃?yu)ҺcƵĚ~󣬿ɼtɫ~Cu2O̽ڲͬضD(zhun)ǵij̶ÿ˶M(jn)ƒɲ򞣺
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          ĿлW(xu) Դ

          28ijУW(xu)dȤСMͬW(xu)(jng)Y֪m(dng)ضȺ߻l¿D(zhun)׃?yu)ǣ̽ڲͬضD(zhun)ǵij̶ÿ˶M(jn)ƒɲ򞣺
          E1һ֧ԇȡһcˮټmϡᣬuӟᵽһĜضȣ^˿ƜضȲͬӟm(x)rgͬ
          E2ȻÃ֧Сԇܸȡԇ܃(ni)ķ(yng)һ֧Сԇܣ̖A(ni)μNaOHҺʏAٵ4-5CuS04Һӟһ֧Сԇܣ̖B(ni)μ2-3εˮ^첢ӛ䛬F(xin)
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          ĿлW(xu) Դ} }

          ijУW(xu)dȤСMͬW(xu)(jng)Y֪m(dng)ضȺ߻l¿D(zhun)׃?yu)̽ڲͬضD(zhun)ǵij̶ȣÿ˶M(jn)ƒɲ򞣺
          E1. һ֧ԇȡһcˮټmϡuӟᵽһĜض^У˿ƜضȲͬӟm(x)rgͬ
          E2ȻÃ֧Сԇܸȡԇ܃(ni)ķ(yng)һ֧Сԇ(̖A)(ni)μNaOHҺʏAٵ4-5CuSO4ҺӟУһ֧Сԇ(̖B)(ni)μ2-3εˮ^첢ӛ䛬F(xin)
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          ĿлW(xu) Դ8 ʳƷеЙC2010Ԫyԇ2棩 }

          ijW(xu)dȤСMͬW(xu)(jng)Y֪m(dng)ضȺ߻l¿D(zhun)׃?yu)ǣ̽ڲͬضD(zhun)ǵij̶ÿ˶M(jn)ƒɲ򞣺
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          ĿлW(xu) Դ2005꽭KʡKпW(xu)ԇ棩 }

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          E1һ֧ԇȡһcˮټmϡu򣬼ӟᵽһĜضȣ^˿ƜضȲͬӟm(x)rgͬ
          E2ȻÃ֧Сԇܸȡԇ܃(ni)ķ(yng)һ֧Сԇܣ̖A(ni)μNaOHҺʏAԣٵ4-5CuS04Һӟһ֧Сԇܣ̖B(ni)μ2-3εˮ^첢ӛ䛬F(xin)
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          ͬ(x)Դ