水融性鈣片
回答 (1)
2007-04-19 11:10 am
✔ 最佳答案
it's because it may contain soluble hydrogencarbonate (e.g. sodium carbonate)and solid acid which dissolve in water also (e.g. citric acid)
when the hydrogencarbonate and acid dissolves in water
carbon dioxide gas is formed and colour gas bubbled will be observed
HCO3(-) + H+ → CO2 + H2O
參考: me*
收錄日期: 2021-04-12 20:25:21
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