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        1. 21ijУꡱyСMͬW(xu)ȡˮˮpH̽^ypHăxÿ״ΜyһpH䔵(sh)(j)Ҋ±

          1(j)W(xu)֪RƜyˮpH
          7=@NpHԭ
          ՚кеĶ̼ܺˮ(yng)̼̼@

          2(j)ϔ(sh)(j)ДˮǷ顰ꡱ
          ʲô
          ?yn)ˮPHС5.6

          3(jng){(dio)飬@һ؅^(q)һ(g)Sa(chn)^Юa(chn)SO2һ(g)像S@ЩSʹõȼҪúԇ@һ؅^(q)ꡱҪԭ
          Sa(chn)^Юa(chn)Ķúȼa(chn)Ķܺˮ(yng)@Ե|(zh)Ķγ
          J(rn)ԲȡЩЧʩp@һ؅^(q)ġꡱٴɗl
          坍ȼ
          
          a(chn)ďU̎ŷ

          ՈfˮpHڜyr(sh)g(ni)l(f)׃ԭ
          ˮͶ򷴑(yng)ɁᣬܱԸ(qing)
          ՚кеĶ̼ܺˮ(yng)̼̼@ˮPHС5.6r(sh)ꣻˮ@Ե|(zh)ʹ坍Դ?q)UM(jn)̎Էֹh(hun)Ⱦ
          ⣺1?yn)՚кеĶ̼ܺˮ?yng)̼ᣬ̼@ԣԡˮ@PHС7՚кеĶ̼ܺˮ(yng)̼ᣬ̼@ԣ
          2ˮPHС5.6r(sh)ɱД(sh)(j)֪ˮǡꡱ?yn)ˮPHС5.6
          3@һ؅^(q)ꡱҪԭǣSa(chn)^Юa(chn)Ķúȼa(chn)Ķܺˮ(yng)@Ե|(zh)Ķγ꣮
          ʹ坍Դ?q)UM(jn)̎Էֹh(hun)Ⱦ坍ȼϣa(chn)ďU̎ŷţ
          ˮpHڜyr(sh)g(ni)l(f)׃ԭǣˮͶ򷴑(yng)ɁܱԸ(qing)ᣮ
          c(din)u}Ҫγɺ|(zh)ȷă(ni)ݣֻ@Ӳ܌P(gun)Ć}_Д࣮
          (x)ϵд
          P(gun)(x)}

          ĿлW(xu) Դ

          19ijꡱyСMͬW(xu)ȡˮˮpH̽^ypHăxÿ׷犜yһpH䔵(sh)(j)Ҋ±
          yr(sh) 505 510 515 520 525 530
          pH 4.95 4.94 4.94 4.88 4.86 4.85
          1(j)W(xu)P(gun)֪RƜyˮpH
          7=@NpHԭ
          ՚CO2ˮܽCO2γ̼

          2(j)ϔ(sh)(j)ДˮǷ顰ꡱǻ

          3(jng){(dio)@һ؅^(q)һ(g)Sa(chn)^Юa(chn)SO2һ(g)像S@ЩSʹõȼҪúSa(chn)SO2úȼa(chn)SO2ܽˮγ꣮ʩˮܡ̫ܺܵԴ?q)Sa(chn)ďUͨcҺ䷴(yng)ĻW(xu)ʽ
          2NaOH+SO2TNa2SO3+H2O

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          19ijꡱyСMͬW(xu)ȡˮˮpH̽^ypHăxÿ׷犜yһpH䔵(sh)(j)Ҋ±
          yr(sh) 505 510 515 520 525 530
          pH 4.95 4.94 4.94 4.88 4.86 4.85
          1(j)W(xu)P(gun)֪RƜyˮpH
          7=@NpHԭ
          ՚CO2ˮܽCO2γ̼

          2(j)ϔ(sh)(j)ДˮǷ顰ꡱǻ

          3(jng){(dio)@һ؅^(q)һ(g)Sa(chn)^Юa(chn)SO2һ(g)像S@ЩSʹõȼҪúSa(chn)SO2úȼa(chn)SO2ܽˮγ꣮ʩˮ̫ܺܵԴ?q)Sa(chn)ďUͨcҺ䷴(yng)ĻW(xu)ʽ
          SO2+2NaOHTNa2SO3+H2O

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          9ijУꡱyСMͬW(xu)ȡˮˮpH̽^ypHăxÿ״ΜyһpH䔵(sh)(j)Ҋ±
          yr(sh)g 310 315 320 325 330 335 340
          pH 4.95 4.95 4.94 4.88 4.86 4.85 4.84
          1(j)W(xu)֪RƜyˮpH
          7=@NpHԭ
          ՚еĶ̼ˮɵ

          2(j)ϔ(sh)(j)ДˮǷ顰ꡱ

          3(jng){(dio)飬@һ؅^(q)һ(g)Sa(chn)^Юa(chn)SO2һ(g)像S@ЩSʹõȼҪúԇ@һ؅^(q)ꡱҪԭ
          Sa(chn)^еĮa(chn)Ķ@ЩSʹõȼúȼa(chn)Ķɵ
          J(rn)ԲȡЩЧʩp@һ؅^(q)ġꡱٴɗl
          ʹÓú
          SųďU̎ŷ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          ijУꡱyСMͬW(xu)ȡˮˮӣpH̽^ypHăxÿ犜yһpH䔵(sh)(j)Ҋ±
          yr(sh)g 310 315 320 325 330 335 340
          pH 4.95 4.95 4.94 4.88 4.86 4.85 4.84
          1(j)W(xu)֪RƜyˮpH7@NpHԭ
          ՚еĶ̼ˮ̼
          ՚еĶ̼ˮ̼
          
          2(j)ϔ(sh)(j)ДˮǷ顰ꡱ

          鿴𰸺ͽ>>

          ͬ(x)Դ