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        1. ijW(xu)ƌW(xu)dȤСMоľl(f)ȼcwe?jn)?sh)P(gun)ϵn}rȡŒ򞲽Eȡ5ֻ250mLƿ5ֻƿзքeb25mL50mL75mL100mL125mLˮëƬwסξ̖12345÷ֽ^䣨H2O2ķȡȡͨ^ˮ15̖ƿеˮȥیǵľlβ15̖ƿУ^쵽ĬF(xin)Ӌ㔵(sh)(j)
          ƿ(bio)̖ 1 2 3 4 5
          ƿwe?jn)?sh) 28.9% 36.8% 44.7% 52.6% 60.5%
          ľlĠr ΢ (f)ȼ (f)ȼ
          ԇشІ}1в÷ֽ^䣨H2O2ķȡ䷴(yng)ķ̖_(d)ʽ
          2H2O2
           MnO2 
          .
           
          2H2O+O2
          2H2O2
           MnO2 
          .
           
          2H2O+O2

          2(j)όŒf_
          B
          B
           (yng)ĸ
          Aֻڼвʹǵľl(f)ȼ
          Bƿwe?jn)?sh)ڻ52.6%rǵľl܏(f)ȼ
          CֻҪھͿʹǵľl(f)ȼ
          1(j)(yng)W(xu)ʽ
          2(j)^쵽F(xin)Ӌ㔵(sh)(j)
          ⣺1^䣨H2O2ȡl(f)(yng)ĻW(xu)ʽ2H2O2
           MnO2 
          .
           
          2H2O+O2   
          2(j)όŒԿƿwe?jn)?sh)52.6%rǵľl܏(f)ȼ
          ʴǣ12H2O2
           MnO2 
          .
           
          2H2O+O2   
          2B
          cu}ҪP(gun)֪Rn֪RM(jn)һ̽}P(gun)IҪջW(xu)ʽĕ|(zh)ȼrČF(xin)ȷ֪R
          (x)ϵд
          P(gun)(x)}

          ĿлW(xu) Դ

          ijW(xu)ƌW(xu)dȤСMоľl(f)ȼcwe?jn)?sh)P(gun)ϵn}ȡŒ򞲽E
          ȡ5ֻ250mLƿ5ֻƿзքeb25mL50mL75mL100mL125mLˮëƬwסξ̖12345ȡһֻ250mLƿ̖0治bˮ
          ÷ֽ^䣨H2O2ķȡȡͨ^ˮ15̖ƿеˮȥ
          یǵľlβ05̖ƿ^쵽F(xin)Ӌ㔵(sh)(j)±
          ƿ(bio)̖ 0 1 2 3 4 5
          ƿwe?jn)?sh)s 21.0% 28.9% 36.8% 44.7% 52.6% 60.5%
          ľlĠr ԭһϨ ΢ (f)ȼ (f)ȼ
          ԇشІ}
          1в÷ֽ^䣨H2O2ķȡ䷴(yng)ĻW(xu)ʽ
           
          
          2(j)όŒf_
           
          (yng)ĸ
          Aֻڼвʹǵľl(f)ȼ
          Bƿwe?jn)?sh)52.6%rǵľl܏(f)ȼ
          CֻҪھͿʹǵľl(f)ȼ
          3ͨ^ܵóĽY(ji)Փǣ
           
          
          4(j)W(xu)^ķ(yng)eһfĽY(ji)Փ
           

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          ijW(xu)ƌW(xu)dȤСMоľl(f)ȼcwe?jn)?sh)P(gun)ϵn}ȡŒ򞲽E÷ֽ^䣨H2O2ȡһ⣬ȻijNõ5ֻƿҎ(gu)250mLwe?jn)?sh)ξ̖12345󌢎ǵľlβ15̖ƿУ^쵽F(xin)Ӌ㔵(sh)(j)±
          ƿ(bio)̖ 1 2 3 4 5
          ƿwe?jn)?sh) 28.9% 36.8% 44.7% 52.6% 60.5%
          ľlĠr ΢ (f)ȼ (f)ȼ
          ԇشІ}
          1Ոָõ5ƿwe?jn)?sh)ͬĿ՚ľw
          5ֻƿзքebһ25mL50mL75mL100mL125mLˮˮռëƬwס
          5ֻƿзքebһ25mL50mL75mL100mL125mLˮˮռ⣬ëƬwס

          2(j)όŒf_
          B
          B
          (yng)ĸ
          Aֻڼвʹǵľl(f)ȼ
          Bƿwe?jn)?sh)52.6%rǵľl܏(f)ȼ
          CֻҪھͿʹǵľl(f)ȼ
          3|(zh)ȼij̶cĝP(gun)ԽȼԽңՈeһ(ni)ݺ͌F(xin)±У
          (ni) F(xin) Y(ji)Փ
          ԽȼԽ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ x

          ijW(xu)ƌW(xu)dȤСMоľl(f)ȼcwe?jn)?sh)P(gun)ϵn}УȡŒ򞲽Eȡ5ֻ250mLƿ5ֻƿзքeb25mL50mL75mL100mL125mLˮëƬwסξ̖12345÷ֽ^䣨H2O2ķȡ⣬ȡͨ^ˮ1-5̖ƿеˮȥیǵľlβ1-5̖ƿ^쵽ĬF(xin)Ӌ㔵(sh)(j)±
          ƿ(bio)̖ 1 2 3 4 5
          ƿռwe 25mL 50mL 75mL 100mL 125mL
          ľlĠr ΢ (f)ȼ (f)ȼ
          ԇشІ}
          1^쵽ĬF(xin)֪ʹǵľl(f)ȼСwe?jn)?sh)
          3
          3
          ̖ƿ
          4
          4
          ̖ƿ֮g]
          2в÷ֽ^ķȡ䷴(yng)ֱ_(d)ʽ
          ^
          MnO2
          ˮ+
          ^
          MnO2
          ˮ+
          (yng)͌
          ֽⷴ(yng)
          ֽⷴ(yng)

          3(j)όŒf_
          B
          B

          Aֻڼвʹǵľl(f)ȼ
          Bƿwe?jn)?sh)52.6%rǵľl܏(f)ȼ
          CֻҪھͿʹǵľl(f)ȼ
          4(dng)4̖ƿռ100mLrôƿЌHռwe?jn)?sh)
          52.6
          52.6
          %|(zh)ȼij̶cĝP(gun)ԽȼԽңO(sh)Ӌһfˆ}ɪ2֣

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          ijW(xu)УƌW(xu)dȤСMоǵľl(f)ȼcwe?jn)?sh)P(gun)ϵn}ȡŒ򞲽E

          ȡ5ֻ250 mLƿ5ֻƿзքeb25 mL50 mL75 mL100 mL125 mLˮëƬwסξ̖12345

          ÷ֽ^䣨H2O2ķȡȡͨ^ˮ1~5̖ƿеˮȥ

          یǵľlβ1~5̖ƿ^쵽ĬF(xin)Ӌ㔵(sh)(j)±

          ԇشІ}

          1в÷ֽ^䣨H2O2ķȡ⣬ԓ(yng)ĻW(xu)ʽ__________________________________

          2(j)όŒf_ǣ   

          A. ֻڼвʹǵľl(f)ȼ

          B. ƿwe?jn)?sh)52.6%rǵľl܏(f)ȼ

          C. ֻҪھͿʹǵľl(f)ȼ

          3|(zh)ȼij̶cĝP(gun)ԽȼԽҡՈeһ(ni)ݺ͌F(xin)±У

          鿴𰸺ͽ>>

          ͬ(x)Դ