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        1. 2013?όijW(xu)dȤСMһƿȻccwƷMDʾČ򞣮

          Ո(j)ϢӋ㣨Y(ji)С(sh)cλ
          1(yng)ɳ|(zh)
          11.65
          11.65
          g
          2Ʒc|(zh)
          3VҺȻc|(zh)֔(sh)
          1(j)|(zh)غ㶨ɣ(yng)ɳ|(zh)Ʒ|(zh)ˮ|(zh)ټȻ^Һ|(zh)pȥVҺ|(zh)÷(yng)ɵij|(zh)
          2(j)W(xu)(yng)ʽɳ|(zh)ӋƷc|(zh)ͷ(yng)ɵȻc|(zh)
          3(j)W(xu)(yng)ʽɳ|(zh)ӋɵȻc|(zh)VҺȻcƷеȻcɵȻcӋ֮ͣVҺ|(zh)140g(j)|(zh)|(zh)֔(sh)ʽӋ㼴ɣ
          ⣺1(j)|(zh)غ㶨(yng)ɳ|(zh)10g+87.00+54.65g-140.00g=11.65g
          2O(sh)Ʒc|(zh)x(yng)ɵȻc|(zh)y
          Na2SO4+BaCl2TBaSO4+2NaCl
          142           233     117
          x            11.65 g   y
          142233=x11.65g
            
          142
          x
          =
          117
          y
          =
          233
          11.65g
                
          ãx=7.1g       y=5.85g           
          3VҺȻc|(zh)=10.00g-7.1g+5.85g=8.75g
          VҺȻc|(zh)֔(sh)飺
          8.75g
          140g
          100%=6.25%
          𣺣2Ʒc|(zh)7.1g
          3VҺȻc|(zh)֔(sh)6.25%
          ʴ𰸞飺111.65g
          27.1g
          36.25%
          cu}y^ҪԻW(xu)ʽӋA(ch)ͬrҺȷӋ}@ӵ}ĿһֱпğcҪB(yng)W(xu)ľCϷӋ
          (x)ϵд
          P(gun)(x)}

          ĿлW(xu) Դ

          2013?όijͬW(xu)MЉAĻW(xu)|(zh)rӛ䛵ČF(xin)cŒǣ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          2013?όa(chn)x_ٲϣ
          1FPėlǣFc՚
          ˮ
          ˮ
          ֱӽ|
          2(j)FPėl܇֧ܲȡķPʩ

          3ijͬW(xu)CVF~Ļx˴ĥ^FzJ߀ҪȵɷNҺ
          ȻV
          ȻV
          Һ
          ~
          ~
          ҺՈ(j)xԇаl(f)(yng)һW(xu)ʽ
          Fe+CuSO4=FeSO4+Cu
          Fe+CuSO4=FeSO4+Cu

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          2013?όijSCϼӹˮҪEDʾ

          Ո(j)DʾشІ}
          1IQ
          ^V
          ^V

          2ԇ1
          Na2CO3
          Na2CO3
          W(xu)ʽͬɫD
          CaCO3
          CaCO3

          3ҺBке|(zh)
          NaClNaOHNa2CO3
          NaClNaOHNa2CO3
          ҺBԇ2Һп^쵽
          Кݮa(chn)
          Кݮa(chn)
          ĬF(xin)
          4ڠB(ti)늽oˮȻVa(chn)һNن|(zh)һNpԭӷӵĚw|(zh)ԓ(yng)ĻW(xu)ʽ
          MgCl2
           ͨ 
          .
           
          Mg+Cl2
          MgCl2
           ͨ 
          .
           
          Mg+Cl2

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          2013?όijW(xu)dȤСMO(sh)ӋDʾbANa2CO3СKNaHCO3ɷNwMЌ̽
          1ɷNxQ
          ƾ
          ƾ
          

          2ڌ^У^쵽҃xеijʯˮ׃Ոxаl(f)(yng)ĻW(xu)ʽ
          CaOH2+CO2TCaCO3+H2O
          CaOH2+CO2TCaCO3+H2O

          3ԓ̽õĿƌW(xu)
          ^취
          ^취
          ׃^취򡰶?zi)?!--BA-->
          ̽AСKɷNwӟǷֽ
          ̽AСKɷNwӟǷֽ

          鿴𰸺ͽ>>

          ͬ(x)Դ