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        1. ijW(xu)УƌW(xu)dȤСMоľl(f)ȼcwe?jn)?sh)P(gun)ϵn}ȡŒ(sh)(yn)Eȡ5ֻ250mLƿ5ֻƿзքeb25mL50mL75mL100mL125mLˮëƬwסξ̖12345÷ֽ^䣨H2O2ķȡȡͨ^ˮ15̖ƿеˮȥیǵľlβ15̖ƿУ^쵽ĬF(xin)Ӌ(j)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)̖ƿ̖ƿ֮g]
          2(sh)(yn)в÷ֽ^ķȡ䷴(yng)ֱ_(d)ʽ(yng)͌
          3(j)ό(sh)(yn)Œ(sh)f_
          Aֻڼвʹǵľl(f)ȼ
          Bƿwe?jn)?sh)52.6%r(sh)ǵľl܏(f)ȼ
          CֻҪھͿʹǵľl(f)ȼ
          4(dng)4̖ƿռ100mLr(sh)ôƿЌ(sh)Hռwe?jn)?sh)%(sh)(yn)|(zh)ȼij̶cĝP(gun)ԽȼԽңO(sh)Ӌ(j)һ(g)(sh)(yn)fˆ}ɪ(jing)(l)2֣

          13   4
          2^ˮ+  ֽⷴ(yng)
          3B
          452.6

          ԇ}1(j)(sh)(yn)F(xin)֪ʹǵľl(f)ȼСwe?jn)?sh)3̖ƿ4̖ƿ֮gM(jn)н
          2(j)^ֽˮM(jn)н
          3(j)^쵽F(xin)Ӌ(j)㔵(sh)(j)
          4(j)՚ĺƿЌ(sh)Hռwe?jn)?sh)M(jn)н
          ⣺1(sh)(yn)F(xin)֪ʹǵľl(f)ȼСwe?jn)?sh)3̖ƿ4̖ƿ֮g
          2^ֽˮ(yng)ֱ_(d)ʽ^ˮ+ԓ(yng)һN|(zh)(yng)ɃɷN|(zh)ڷֽⷴ(yng)
          3(j)ό(sh)(yn)Œ(sh)Կƿwe?jn)?sh)52.6%r(sh)ǵľl܏(f)ȼ
          4ƿ4we?jn)?sh)100%=52.6%|(zh)ȼij̶cĝP(gun)ԽȼԽǷȼþƾc(din)ȼ^F(xin)ȻȼM(jn)Mļƿ^F(xin)󣮿՚ȼl(f){(ln)ɫ棬аl(f){(ln)ɫfԽȼԽң
          ʴ𰸞飺134
          2^ˮ+ֽⷴ(yng)
          3B
          452.6Ƿȼþƾc(din)ȼ^F(xin)ȻȼM(jn)Mļƿ^F(xin)󣮿՚ȼl(f){(ln)ɫаl(f){(ln)ɫ棬fԽȼԽң
          c(din)(sh)(yn)̽|(zh)׃ėlӰ|(zh)׃أ
          c(din)u}ҪP(gun)֪Rn֪RM(jn)һ̽}P(gun)IҪջW(xu)ʽĕ|(zh)ȼr(sh)Č(sh)(yn)F(xin)ȷ֪R

          (x)ϵд
          P(gun)(x)}

          ĿлW(xu) Դ

          ijW(xu)ƌW(xu)dȤСMоľl(f)ȼcwe?jn)?sh)P(gun)ϵn}УȡŒ(sh)(yn)E
          ȡ5ֻ250mLƿ5ֻƿзքeb25mL50mL75mL100mL125mLˮëƬwסξ̖12345ȡһֻ250mLƿ̖0治bˮ
          ÷ֽ^䣨H2O2ķȡȡͨ^ˮ15̖ƿеˮȥ
          یǵľlβ05̖ƿ^쵽F(xin)Ӌ(j)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}
          1(sh)(yn)в÷ֽ^䣨H2O2ķȡ䷴(yng)ĻW(xu)ʽ
           
          
          2(j)ό(sh)(yn)Œ(sh)f_
           
          (yng)ĸ
          Aֻڼвʹǵľl(f)ȼ
          Bƿwe?jn)?sh)52.6%r(sh)ǵľl܏(f)ȼ
          CֻҪھͿʹǵľl(f)ȼ
          3ͨ^(sh)(yn)ܵ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}r(sh)ȡŒ(sh)(yn)Eȡ5ֻ250mLƿ5ֻƿзքeb25mL50mL75mL100mL125mLˮëƬwסξ̖12345÷ֽ^䣨H2O2ķȡ⣬ȡͨ^ˮ15̖ƿеˮȥیǵľlβ15̖ƿ^쵽ĬF(xin)Ӌ(j)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}1(sh)(yn)в÷ֽ^䣨H2O2ķȡ䷴(yng)ķ̖_(d)ʽ
          2H2O2
           MnO2 
          .
           
          2H2O+O2
          2H2O2
           MnO2 
          .
           
          2H2O+O2

          2(j)ό(sh)(yn)Œ(sh)f_
          B
          B
           (yng)ĸ
          Aֻڼвʹǵľl(f)ȼ
          Bƿwe?jn)?sh)ڻ52.6%r(sh)ǵľl܏(f)ȼ
          CֻҪھͿʹǵľl(f)ȼ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          ijW(xu)УƌW(xu)dȤСMоľl(f)ȼcwe?jn)?sh)P(gun)ϵn}ȡŒ(sh)(yn)E÷ֽ^䣨H2O2ȡһȻijNõ5ֻƿҎ(gu)250mLwe?jn)?sh)ξ̖12345󌢎ǵľlβ15̖ƿ^쵽F(xin)Ӌ(j)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
          5ֻƿзքebһ25mL50mL75mL100mL125mLˮˮռëƬwס

          2(j)ό(sh)(yn)Œ(sh)f_
          B
          B
          (yng)ĸ
          Aֻڼвʹǵľl(f)ȼ
          Bƿwe?jn)?sh)52.6%r(sh)ǵľl܏(f)ȼ
          CֻҪھͿʹǵľl(f)ȼ
          3(sh)(yn)|(zh)ȼij̶cĝP(gun)ԽȼԽңՈeһ(sh)(yn)(ni)ݺ͌(sh)(yn)F(xin)±У
          (sh)(yn)(ni) (sh)(yn)F(xin) (sh)(yn)Y(ji)Փ
          ԽȼԽ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ x

          ijW(xu)ƌW(xu)dȤСMоľl(f)ȼcwe?jn)?sh)P(gun)ϵn}УȡŒ(sh)(yn)Eȡ5ֻ250mLƿ5ֻƿзքeb25mL50mL75mL100mL125mLˮëƬwסξ̖12345÷ֽ^䣨H2O2ķȡȡͨ^ˮ1-5̖ƿеˮȥیǵľlβ1-5̖ƿ^쵽ĬF(xin)Ӌ(j)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]
          2(sh)(yn)в÷ֽ^ķȡ䷴(yng)ֱ_(d)ʽ
          ^
          MnO2
          ˮ+
          ^
          MnO2
          ˮ+
          (yng)͌
          ֽⷴ(yng)
          ֽⷴ(yng)

          3(j)ό(sh)(yn)Œ(sh)f_
          B
          B

          Aֻڼвʹǵľl(f)ȼ
          Bƿwe?jn)?sh)52.6%r(sh)ǵľl܏(f)ȼ
          CֻҪھͿʹǵľl(f)ȼ
          4(dng)4̖ƿռ100mLr(sh)ôƿЌ(sh)Hռwe?jn)?sh)
          52.6
          52.6
          %(sh)(yn)|(zh)ȼij̶cĝP(gun)ԽȼԽңO(sh)Ӌ(j)һ(g)(sh)(yn)fˆ}ɪ(jing)(l)2֣

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

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

          ȡ5ֻ250 mLƿ5ֻƿзքeb25 mL50 mL75 mL100 mL125 mLˮëƬwסξ̖12345

          ÷ֽ^䣨H2O2ķȡȡͨ^ˮ1~5̖ƿеˮȥ

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

          ԇشІ}

          1(sh)(yn)в÷ֽ^䣨H2O2ķȡԓ(yng)ĻW(xu)ʽ__________________________________

          2(j)ό(sh)(yn)Œ(sh)f_ǣ    

          A. ֻڼвʹǵľl(f)ȼ

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

          C. ֻҪھͿʹǵľl(f)ȼ

          3(sh)(yn)|(zh)ȼij̶cĝP(gun)ԽȼԽՈeһ(sh)(yn)(ni)ݺ͌(sh)(yn)F(xin)±У

          鿴𰸺ͽ>>

          ͬ(x)Դ