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        1. ijW(xu)dȤСMͬW(xu)bM(jn)Ќ򞣮

          ?zi)ģ?br />1øiȡһƿ(x)FzȼČ򞣮
          2Ԝyӟ2giռwe
          (yng)ԭֱ_(d)ʽʾ
          i⣺
          i
          ӟ
          i++i
          i
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          1^̰l(f)F(xin)Bƿеˮ׃tԭǣ
          ԇܿڛ]з޻i⛷ĩM(jn)Bƿ
          ԇܿڛ]з޻i⛷ĩM(jn)Bƿ
           
          2ռ(x)FzȼČrl(f)F(xin)ƿըl(f)ʧ`IJǣ
          ƿכ]зˮһӼ(x)ɳ
          ƿכ]зˮһӼ(x)ɳ

          3УռĕrCǼӟRռښwBm(x)a(chn)֮_ʼռtyõweȱȌHֵ
          ƫС
          ƫС
          ƫ󡱻ƫС򡰲׃ 
          4Y(ji)rͬW(xu)l(f)F(xin)ռO2Փa(chn)ᘌ@һF(xin)ͬW(xu)M(jn)̽
          롿񣺷(yng)ɵMnO2ֽų02 򣺷(yng)ɵK2Mn04ֽųO2 
          ɂ
          (j)|(zh)غ㶨ɶ(yng)ǰԪصķN|(zh)KMnO4܁ԴںԪصK2MnO4MnO2
          (j)|(zh)غ㶨ɶɣ(yng)ǰԪصķN|(zh)KMnO4܁ԴںԪصK2MnO4MnO2

          CͬW(xu)֞ɽMքeM(jn)Œ򞣺
          ٵһMͬW(xu)ȡһ|(zh)Mn02250l¼ӟһΕrgsyMn02|(zh)׃t
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          (yng)ԭ(j)W(xu)(yng)ķ(yng)ֱ_(d)ʽ
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                   2(j)ߜcƿײֱӽ|(do)ƿըс
                    3ښwBm(x)a(chn)֮_ʼռɲܵɽY(ji)ƫ
                    4(j)|(zh)غ㶨ɶ(yng)ǰԪصķN|(zh)Y(ji)ϸiȡķ(yng)ԭKMnO4܁ԴںԪصK2MnO4MnO2
          Cٶi|(zh)׃fδֽ⣻
                     ҪzǷÎǵľlz򞣮
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          }1iˮ@tɫԇܿڷһ޻FǞ˷ֹi⛷ĩM(jn)댧(do)ܣM(jn)ƿʴ𰸞飺ԇܿڛ]з޻i⛷ĩM(jn)BƿУ
                    2(x)FzȼČrƿב(yng)ˮһӼ(x)ɳֹȼR伯ƿʹƿըѣʴ𰸞飺ƿכ]зˮһӼ(x)ɳ
          3ښwBm(x)a(chn)֮_ʼռɲܵɽY(ji)ƫСʴ𰸞飺ƫ
          4i⛷ֽii⣬(yng)ǰԪصķN|(zh)Դi⛺Ͷiʴ𰸞飺(j)|(zh)غ㶨ɶ(yng)ǰԪصķN|(zh)KMnO4܁ԴںԪصK2MnO4MnO2
          Cٶi|(zh)׃fδֽʲIe`ʴ𰸞飺I
                   ҪzǷÎǵľlԇܿľl(f)ȼt⣬ʴ𰸞飺ǵľlԇܿڣ
          cucČƷFzȼ(yng)ԭעweĜy͌ƫ̎CԱ^؄enjע헺͌F(xin)ƫԭҪJ(rn)
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          ĿлW(xu) Դ

          29ijУW(xu)dȤСMͬW(xu)(jng)Y֪m(dng)ضȺ߻l¿D(zhun)׃?yu)ҺcƵĚ~󣬿ɼtɫ~Cu2O̽ڲͬضD(zhun)ǵij̶ÿ˶M(jn)ƒɲ򞣺
          E1һ֧ԇȡһcˮϣټmϡu򣬼ӟᵽһĜضȣ^˿ƜضȲͬӟm(x)rgͬ
          E2ȻÃ֧Сԇܸȡԇ܃(ni)ķ(yng)һ֧Сԇܣ̖A(ni)μNaOHҺʏAٵ45CuSO4ҺӟУһ֧Сԇܣ̖B(ni)μ23εˮ^첢ӛ䛬F(xin)
          1ڸ˿ƵĜضȲͬF(xin)NrՈ(j)ьW(xu)֪RЌrR
          F(xin) Y(ji)Փ
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          ۛ]D(zhun)
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          Nr

          ȫD(zhun)
          2ڲE2Aԇ܃(ni)NaOHҺ
          кϡᡢƂ~ʹҺʉA

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

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

          鿴𰸺ͽ>>

          ĿлW(xu) Դ} }

          ijW(xu)dȤСMͬW(xu)(jng)Y֪m(dng)ضȺ߻l¿D(zhun)׃?yu)ǡ̽ڲͬضD(zhun)ǵij̶ÿ˶M(jn)ƒɲ򞣺
          E1. һ֧ԇȡһcˮټmϡᣬuӟᵽһĜض^У˿ƜضȲͬӟm(x)rgͬ
          E2ȻÃ֧Сԇܸȡԇ܃(ni)ķ(yng)һ֧Сԇ(̖A)(ni)μNaOHҺʏAٵ4-5CuSO4Һӟһ֧Сԇ(̖B)(ni)μ2-3εˮ^첢ӛ䛬F(xin)
          (1)ڸ˿ƵĜضȲͬF(xin)NrՈ(j)ьW(xu)֪RЌrR
          (2)ڲE2Aԇ܃(ni)Na0HҺ_______________________

          鿴𰸺ͽ>>

          ĿлW(xu) Դ8 ʳƷеЙC2010Ԫyԇ2棩 }

          ijУW(xu)dȤСMͬW(xu)(jng)Y֪m(dng)ضȺ߻l¿D(zhun)׃?yu)ǣ̽ڲͬضD(zhun)ǵij̶ÿ˶M(jn)ƒɲ򞣺
          E1һ֧ԇȡһcˮϣټmϡuӟᵽһĜضȣ^˿ƜضȲͬӟm(x)rgͬ
          E2ȻÃ֧Сԇܸȡԇ܃(ni)ķ(yng)һ֧Сԇܣ̖A(ni)μNaOHҺʏAٵ4-5CuS04Һӟһ֧Сԇܣ̖B(ni)μ2-3εˮ^첢ӛ䛬F(xin)
          1ڸ˿ƵĜضȲͬF(xin)NrՈ(j)ьW(xu)֪RЌrR
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          鿴𰸺ͽ>>

          ĿлW(xu) Դ2005꽭KʡKпW(xu)ԇ棩 }

          ijW(xu)dȤСMͬW(xu)(jng)Y֪m(dng)ضȺ߻l¿D(zhun)׃?yu)ǣ̽ڲͬضD(zhun)ǵij̶ÿ˶M(jn)ƒɲ򞣺
          E1һ֧ԇȡһcˮϣټmϡuӟᵽһĜضȣ^˿ƜضȲͬӟm(x)rgͬ
          E2ȻÃ֧Сԇܸȡԇ܃(ni)ķ(yng)һ֧Сԇܣ̖A(ni)μNaOHҺʏAٵ4-5CuS04Һӟһ֧Сԇܣ̖B(ni)μ2-3εˮ^첢ӛ䛬F(xin)
          1ڸ˿ƵĜضȲͬF(xin)NrՈ(j)ьW(xu)֪RЌrR
          F(xin)         Y(ji)      Փ
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            r
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          鿴𰸺ͽ>>

          ͬ(x)Դ