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NaOH過量:2NaOH+SO2=Na2SO3+H2O SO2過量:NaOH+SO2=NaHSO3
石灰石:化學成分主要是碳酸鈣,(CaCO3); 石灰水:是Ca(OH)2的水溶液; 熟石灰:即消石灰,就是Ca(OH)2的固體; 生石灰:CaO
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