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҇(gu)،(du)ߠtFÓ򄩼g(sh)׃^(gu)N(yn)aOHNa2CO3(yng)

2013-07-03 08:30 (li)Դ:δ֪

҇(gu)،(du)ߠtFÓ򄩼g(sh)׃^(gu)N(yn)aOHNa2CO3(yng)

    ڸߠtFo(w)Fˮ򽵵0.02%ҪÓʯKʯVȻ?yu)Ҫɷֵď?f)ÓM(jn)РtÓ򡣌(du)Ó򄩵ҪcFˮе򷴑(yng)D(zhun)鲻ܽFˮеM(jn)tȻStȥ

ȡĠtÓķ

     1u(dng)
     2ŷ
     3D(zhun)ͲD(zhun)
     4C(j)е跨
     5w跨
     6
     7Bm(x)Ó

    Ҭuh(hun)Ƽ޹˾(yn)Ó򄩘(bio)(zhn)M(jn)N(xio) ûAͼAҺM(jn)ÓSO2ˮcNaOHNa2CO3(yng)
     2NaOH+SO2=Na2SO3+H2O
     Na2CO3+SO2=Na2SO3+CO2↑
     Na2SO3+SO2+H2O=2NaHSO3
     NaHSO3+NaOH=Na2SO3+H2O
     2NaHSO3+Na2CO3=2Na2SO3+H2O+CO2↑

    Һ̎пNa2SO3cNaHSO3ˮܽȵIJͬʹNa2SO3Y(ji)鸱a(chn)Ʒֽ̎ʹ֮AͼAăr(ji)^ߣҸgҲ^ڮ(dng)ǰʹòǺձ飬cĻA(ch)ںڼʯʯa(chn)ʯԹ(ji)ʡֵĻAA@pA Ó򄩣һNwÓԭnjUеĺ򻯺Ó򄩵СĶwUÓԻеĻԳɷ
 

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