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        1. 23ijУW(xu)W(xu)(x)СMͬW(xu)y˜ʠB(ti)ܶ.O(sh)ӋµČE:ٰˆDb䌍b:

           

          }Ŀб(𰸺ͽ)

          ijW(xu)W(xu)(x)СMͬW(xu)y˜ʠB(ti)ܶȣO(sh)ӋµČE
          ٰˆDb䌍bã
          Ӣҽ̾W(wng)
          ϴԇܣȻָ
          500mLƿbMˮ500mLˮBӟƿ͟IJAƤBͲCҲbMˮgҪšȻÏɊAƤBjAo
          ܷQԇܵ|(zh)14.45gԇKClO3MnO2ĻٷQ|(zh)15.95g
          ݴ_ɊAџeʹƿ͟ˮһP(gun)]ɊAȻџеˮ
          ޴_ɊAӟԇܵĻﵽٮa(chn)wˮrֹ
          ߷(yng)ꮅb÷sҜ
          {(dio)(ji)ĸ߶ʹƿ͟еˮһȻP(gun)]ɊA
          500mLͲyßˮwe285.0mLQ˜ʠrwe279.7mL
          ٷQsԇܵ|(zh)15.55g
          (j)򞣬شІ}
          1ڲbsrCijһֱҪڟˮx_ˮ棬
           

          2ıҪʲôҪ{(dio)(ji)ĸ߶ʹƿ͟еˮһ
           

          3ژ˜ʠrܶȞ
           
          MnO2|(zh)֔(sh)
           

          鿴𰸺ͽ>>

          ijW(xu)W(xu)(x)СMͬW(xu)y˜ʠB(ti)ܶȣO(sh)ӋµČE
          ٰˆDb䌍bã

          ϴԇȻָ
          500mLƿbMˮ500mLˮBӟƿ͟IJAƤBͲCҲbMˮgҪšȻÏɊAƤBjAo
          ܷQԇܵ|(zh)14.45gԇKClO3MnO2ĻٷQ|(zh)15.95g
          ݴ_ɊAџeʹƿ͟ˮһ£P(gun)]ɊAȻџеˮ
          ޴_ɊAӟԇܵĻﵽٮa(chn)wˮrֹ
          ߷(yng)ꮅb÷sҜأ
          {(dio)(ji)ĸ߶ʹƿ͟еˮһȻP(gun)]ɊA
          500mLͲyßˮwe285.0mLQ˜ʠrwe279.7mL
          ٷQsԇܵ|(zh)15.55g
          (j)شІ}
          1ڲbsrCijһֱҪڟˮx_ˮ______
          2ıҪԣʲôҪ{(dio)(ji)ĸ߶ȣʹƿ͟еˮһ______
          3ژ˜ʠrܶȞ______MnO2|(zh)֔(sh)______

          鿴𰸺ͽ>>

          ijW(xu)W(xu)(x)СMͬW(xu)y˜ʠB(ti)ܶȣO(sh)ӋµČE
          ٰˆDb䌍bã

          ϴԇܣȻָ
          500mLƿbMˮ500mLˮBӟƿ͟IJAƤBͲCҲbMˮgҪšȻÏɊAƤBjAo
          ܷQԇܵ|(zh)14.45gԇKClO3MnO2ĻٷQ|(zh)15.95g
          ݴ_ɊAџeʹƿ͟ˮһ£P(gun)]ɊAȻџеˮ
          ޴_ɊAӟԇܵĻﵽٮa(chn)wˮrֹ
          ߷(yng)ꮅb÷sҜ
          {(dio)(ji)ĸ߶ʹƿ͟еˮһ£ȻP(gun)]ɊA
          500mLͲyßˮwe285.0mLQ˜ʠrwe279.7mL
          ٷQsԇܵ|(zh)15.55g
          (j)򞣬شІ}
          1ڲbsrCijһֱҪڟˮx_ˮ______
          2ıҪʲôҪ{(dio)(ji)ĸ߶ȣʹƿ͟еˮһ______
          3ژ˜ʠrܶȞ______MnO2|(zh)֔(sh)______

          鿴𰸺ͽ>>

          ijW(xu)W(xu)(x)СMͬW(xu)y˜ʠB(ti)ܶȣO(sh)ӋµČE
          ٰˆDb䌍bã

          ϴԇܣȻָ
          500mLƿbMˮ500mLˮBӟƿ͟IJAƤBͲCҲbMˮgҪšȻÏɊAƤBjAo
          ܷQԇܵ|(zh)14.45gԇKClO3MnO2ĻٷQ|(zh)15.95g
          ݴ_ɊAџeʹƿ͟ˮһP(gun)]ɊAȻџеˮ
          ޴_ɊAӟԇܵĻﵽٮa(chn)wˮrֹ
          ߷(yng)ꮅb÷sҜ
          {(dio)(ji)ĸ߶ʹƿ͟еˮһ£ȻP(gun)]ɊA
          500mLͲyßˮwe285.0mLQ˜ʠrwe279.7mL
          ٷQsԇܵ|(zh)15.55g
          (j)شІ}
          1ڲbsrCijһֱҪڟˮУx_ˮ______
          2ıҪԣʲôҪ{(dio)(ji)ĸ߶ʹƿ͟еˮһ______
          3ژ˜ʠrܶȞ______MnO2|(zh)֔(sh)______

          鿴𰸺ͽ>>

          W(xu)ώoijW(xu)УоԌW(xu)(x)СMһ΄(w)yһƿõNaOHwǷ׃|(zh)ԓСMͬW(xu)MŒ̽
          }I]׃|(zh)ȫNaOH
          II׃|(zh)
           
          
          ȫ׃|(zh)ȫNa2CO3
          YϣҺڳµpH£
           }Һ NaCl Na2CO3  BaCl2
          pH 7  7 7
          O(sh)ӋMЌ򞣺Ոcһͬشo}
          򞲽E  F(xin) Y(ji)Փ
          ٷQȡcwƷ10.0g100mlˮҺҺеμȻ^Һ^ַ(yng)oã a(chn)ɫ fùwһ
           
          W(xu)ʽ
          òպȡгַ(yng)όҺһСKpHԇϣc˜ʱɫypH pH=11 fùw߀һ
           
           W(xu)ʽ
          EQcwƷõIJxQ
           
          μ^BaCl2ҺĿ
           

          Y(ji)Փͨ^f
           

          չԓСMͬW(xu)yԓNaOHw׃|(zh)̶ȣ^m(x)ɫ^VϴQ|(zh)4.0gtԭƷNaOH|(zh)֔(sh)
           
           һλС(sh)
          ˼õĚc׃|(zh)ԭ
           
          ûW(xu)ʽʾ

          鿴𰸺ͽ>>


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