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纯碱制烧碱化学方程式
更新时间: 2021-05-22 19:10:09  

1、工业制烧碱:2NaCl+2H2O=H2+Cl2+2NaOH(电解饱和食盐水)。

2、NH3+H2O+CO2=NH4HCO3。

3、NH4HCO3+NaCl=NaHCO3+NH4Cl(NH4HCO3结晶析出)。

4、2NaHCO3=Na2CO3+H2O+CO2(反应条件:加热)。

关键词: 纯碱 烧碱 化学 方程式

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