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        1. 2013?όijW(xu)dȤСMһƿȻccwƷM(jn)DʾČ(sh)(yn)

          Ո(j)ϢӋ(j)㣨Y(ji)С(sh)c(din)λ
          1(yng)ɳ|(zh)
          11.65
          11.65
          g
          2Ʒc|(zh)
          3VҺȻc|(zh)?jn)?sh)
          1(j)|(zh)غ㶨(yng)ɳ|(zh)Ʒ|(zh)ˮ|(zh)ټȻ^Һ|(zh)pȥVҺ|(zh)÷(yng)ɵij|(zh)
          2(j)W(xu)(yng)ʽɳ|(zh)Ӌ(j)Ʒc|(zh)ͷ(yng)ɵȻc|(zh)
          3(j)W(xu)(yng)ʽɳ|(zh)Ӌ(j)ɵȻc|(zh)VҺȻcƷеȻcɵȻcӋ(j)֮ͣVҺ|(zh)140g(j)|(zh)|(zh)?jn)?sh)ʽӋ(j)㼴ɣ
          ⣺1(j)|(zh)غ㶨ɣ(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)?jn)?sh)飺
          8.75g
          140g
          100%=6.25%
          𣺣2Ʒc|(zh)7.1g
          3VҺȻc|(zh)?jn)?sh)6.25%
          ʴ𰸞飺111.65g
          27.1g
          36.25%
          c(din)u}y^ҪԻW(xu)ʽӋ(j)A(ch)ͬr(sh)ҺȷӋ(j)}@ӵ}Ŀһֱпğc(din)ҪB(yng)W(xu)ľCϷӋ(j)
          (x)ϵд
          P(gun)(x)}

          ĿлW(xu) Դ

          2013?όijͬW(xu)M(jn)ЉAĻW(xu)|(zh)(sh)(yn)r(sh)ӛ䛵Č(sh)(yn)F(xin)cŒ(sh)ǣ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

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

          3ijͬW(xu)(yn)CVF~Ļx˴ĥ^FzJ(rn)߀ҪȵɷNҺ
          ȻV
          ȻV
          Һ
          ~
          ~
          ҺՈ(j)xԇ(sh)(yn)аl(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)Ӌ(j)DʾbANa2CO3СKNaHCO3ɷNwM(jn)Ќ(sh)(yn)̽
          1ɷNxQ
          ƾ
          ƾ
          

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

          3ԓ(sh)(yn)̽õĿƌW(xu)
          ^취
          ^취
          ׃^취򡰶(sh)(yn)?zi)?!--BA-->
          ̽AСKɷNwӟǷֽ
          ̽AСKɷNwӟǷֽ

          鿴𰸺ͽ>>

          ͬ(x)Դ