日韩亚洲一区中文字幕,日韩欧美三级中文字幕在线,国产伦精品一区二区三区,免费在线欧美性爱链接

      1. <sub id="o5kww"></sub>
        <legend id="o5kww"></legend>
        <style id="o5kww"><abbr id="o5kww"></abbr></style>

        <strong id="o5kww"><u id="o5kww"></u></strong>
        1. ijW(xu)dȤСMͬW(xu)W(xu)(x)A}֪R(sh)(du)nСᡢA}֮gǶܰl(f)(f)ֽⷴ(yng)@Ԓa(chn)dȤչ_̽ԌW(xu)(x)

          š(wn)}l(f)(f)ֽⷴ(yng)(yng)߂Щl

          ơ(dng)̽ԓСMͬW(xu)M(jn)ĽM(sh)(yn)l(f)F(xin)ܷ(yng)Ո(qng)ܵĻW(xu)ʽ

          ^Һcϡ     ϡc̼Һ     ϡ}ccҺ

          ^Һc̼Һ                                             

          ǡՓ(yng)ʲô܉l(f)?yn)@Щ(yng)Һ(yng)xӣɃɽY(ji)˳wˮ磺

          Ba 2+ + SO42 BaSO4  H + + CO32 H2O + CO2 

          H + + OH H2O                  ɷNxԲŰl(f)W(xu)(yng)

          ȡóY(ji)Փ(jng)^(gu)ԓСMͬW(xu)ó½Y(ji)ՓǷгwˮДA}֮gܷl(f)(f)ֽⷴ(yng)Ҫl

          ɡγɾW(wng)j(lu)һijЩxͿγһN֪R(sh)W(wng)j(lu)ھW(wng)j(lu)áBӵ(yng)xg܃ɃɽY(ji)ɳwˮ

          F(xin)Ca 2+HCO3 ɷNxՈ(qng)mġ     (ni)ʹγһ(g)ď(f)ֽⷴ(yng)֪R(sh)W(wng)j(lu)

          ʡչ(yng)á(j)óĽY(ji)ՓQ†(wn)}

          |(zh)

          ܄A

          ܽ

          ܄B

          ܽ

          AgNO3

          170

          86

          Ba(NO3)2

          9.3

          97.2

          AgCl

          1.510-4

          0.8

          BaCl2

          333

          s0

          ֪tr(sh)ķN܄A܄BиԵܽȣg/100 g܄ұʾtr(sh)ķN܄Aаl(f)(f)ֽⷴ(yng)ĻW(xu)ʽ飺BaCl2 + 2 AgNO3 == 2 AgCl + Ba(NO3)2tķNijɷN܄Bܰl(f)(f)ֽⷴ(yng)ĻW(xu)ʽ飺               

           

          𰸡

          Ba(NO3)2 + K2CO3 == BaCO3+ 2KNO3

          Ba2+ CO32  HCO3    Ca 2+      Ba(NO3)2 + 2AgCl == 2AgNO3 + BaCl2

           

          (x)(c)ϵд
          P(gun)(x)}

          ĿлW(xu) (li)Դ

          29ijW(xu)dȤСMͬW(xu)(jng)Y֪m(dng)ضȺ߻l¿D(zhun)׃?yu)ǣҺcƵĚ~ɼtɫ~Cu2O̽ڲͬضD(zhun)ǵij̶ÿ˶M(jn)ƒɲ(sh)(yn)
          E1һ֧ԇȡһcˮټmϡuӟᵽһĜضȣ(sh)(yn)^(gu)˿ƜضȲͬӟm(x)r(sh)gͬ
          E2ȻÃ֧Сԇܸȡԇ܃(ni)ķ(yng)һ֧Сԇܣ̖(ho)A(ni)μNaOHҺʏ(qing)Aٵ45CuSO4Һӟһ֧Сԇܣ̖(ho)B(ni)μ23εˮ^첢ӛ䛬F(xin)
          1ڸ˿ƵĜضȲͬF(xin)NrՈ(qng)(j)ьW(xu)֪R(sh)Ќ(sh)(yn)rR
          F(xin) Y(ji)Փ
          һNr

          ۛ](mi)D(zhun)
          ڶNr

          Nr

          ȫD(zhun)
          2ڲE2Aԇ܃(ni)NaOHҺ
          кϡƂ~ʹҺʉA

          鿴𰸺ͽ>>

          ĿлW(xu) (li)Դ

          28ijW(xu)dȤСMͬW(xu)(jng)Y֪m(dng)ضȺ߻l¿D(zhun)׃?yu)ǣ̽ڲͬضD(zhun)ǵij̶ȣÿ˶M(jn)ƒɲ(sh)(yn)
          E1һ֧ԇȡһcˮټmϡuӟᵽһĜضȣ(sh)(yn)^(gu)У˿ƜضȲͬӟm(x)r(sh)gͬ
          E2ȻÃ֧Сԇܸȡԇ܃(ni)ķ(yng)һ֧Сԇܣ̖(ho)A(ni)μNaOHҺʏ(qing)Aԣٵ4-5CuS04Һӟһ֧Сԇܣ̖(ho)B(ni)μ2-3εˮ^첢ӛ䛬F(xin)
          1ڸ˿ƵĜضȲͬF(xin)NrՈ(qng)(j)ьW(xu)֪R(sh)Ќ(sh)(yn)rR
          F(xin)          Y(ji)      Փ
          һN
            r
          AԇУ

          BԇУ
          ۛ](mi)D(zhun)
          ڶN
            r
          AԇУ

          BԇУ
          N
            r
          AԇУ

          BԇУ
          ȫD(zhun)
          2ڲE2Aԇ܃(ni)Na0HҺ
          кϡʹҺʉAԣƂ~

          鿴𰸺ͽ>>

          ĿлW(xu) (li)Դ(xing)} (sh)(yn)}

          ijW(xu)dȤСMͬW(xu)(jng)Y֪m(dng)ضȺ߻l¿D(zhun)׃?yu)̽ڲͬضD(zhun)ǵij̶ÿ˶M(jn)ƒɲ(sh)(yn)
          E1. һ֧ԇȡһcˮټmϡuӟᵽһĜض(sh)(yn)^(gu)У˿ƜضȲͬӟm(x)r(sh)gͬ
          E2ȻÃ֧Сԇܸȡԇ܃(ni)ķ(yng)һ֧Сԇ(̖(ho)A)(ni)μNaOHҺʏ(qing)Aٵ4-5CuSO4Һӟһ֧Сԇ(̖(ho)B)(ni)μ2-3εˮ^첢ӛ䛬F(xin)
          (1)ڸ˿ƵĜضȲͬF(xin)NrՈ(qng)(j)ьW(xu)֪R(sh)Ќ(sh)(yn)rR
          (2)ڲE2Aԇ܃(ni)Na0HҺ_______________________

          鿴𰸺ͽ>>

          ĿлW(xu) (li)Դ8 ʳƷеЙC(j)2010Ԫy(c)ԇ2棩 }

          ijУW(xu)dȤСMͬW(xu)(jng)Y֪m(dng)ضȺ߻l¿D(zhun)׃?yu)ǣ̽ڲͬضD(zhun)ǵij̶ÿ˶M(jn)ƒɲ(sh)(yn)
          E1һ֧ԇȡһcˮϣټmϡuӟᵽһĜضȣ(sh)(yn)^(gu)˿ƜضȲͬӟm(x)r(sh)gͬ
          E2ȻÃ֧Сԇܸȡԇ܃(ni)ķ(yng)һ֧Сԇܣ̖(ho)A(ni)μNaOHҺʏ(qing)Aٵ4-5CuS04Һӟһ֧Сԇܣ̖(ho)B(ni)μ2-3εˮ^첢ӛ䛬F(xin)
          1ڸ˿ƵĜضȲͬF(xin)NrՈ(qng)(j)ьW(xu)֪R(sh)Ќ(sh)(yn)rR
          F(xin)         Y(ji)      Փ
          һN
            r
          AԇУ   
          BԇУ   
          ۛ](mi)D(zhun)
          ڶN
            r
          AԇУ   
          BԇУ   
             
          N
            r
          AԇУ   
          BԇУ   
          ȫD(zhun)
          2ڲE2Aԇ܃(ni)Na0HҺ   

          鿴𰸺ͽ>>

          ĿлW(xu) (li)Դ2005꽭KʡKпW(xu)ԇ棩 }

          ijW(xu)dȤСMͬW(xu)(jng)Y֪m(dng)ضȺ߻l¿D(zhun)׃?yu)ǣ̽ڲͬضD(zhun)ǵij̶ȣÿ˶M(jn)ƒɲ(sh)(yn)
          E1һ֧ԇȡһcˮټmϡu򣬼ӟᵽһĜضȣ(sh)(yn)^(gu)˿ƜضȲͬӟm(x)r(sh)gͬ
          E2ȻÃ֧Сԇܸȡԇ܃(ni)ķ(yng)һ֧Сԇܣ̖(ho)A(ni)μNaOHҺʏ(qing)Aٵ4-5CuS04ҺӟУһ֧Сԇܣ̖(ho)B(ni)μ2-3εˮ^첢ӛ䛬F(xin)
          1ڸ˿ƵĜضȲͬF(xin)NrՈ(qng)(j)ьW(xu)֪R(sh)Ќ(sh)(yn)rR
          F(xin)         Y(ji)      Փ
          һN
            r
          AԇУ   
          BԇУ   
          ۛ](mi)D(zhun)
          ڶN
            r
          AԇУ   
          BԇУ   
             
          N
            r
          AԇУ   
          BԇУ   
          ȫD(zhun)
          2ڲE2Aԇ܃(ni)Na0HҺ   

          鿴𰸺ͽ>>

          ͬ(x)(c)