chem 高手請~
回答 (3)
2007-04-12 6:38 am
✔ 最佳答案
CaCO3 + H2CO3 → Ca(HCO3)2CaCO3(碳酸鈣)遇上H2CO3(碳酸)會生成Ca(HCO3)2 (碳酸氫鈣)
這是碳酸鈣(即大理石/石灰石/白堊)被酸雨(含碳酸的雨)侵蝕的化學式
參考: CHEM書
2007-04-13 1:01 am
H2CO3 → H2O + CO2 (reversible)
CaCO3 + H2O + CO2 → Ca(HCO3)2
that is, calcium carbonate dissolves
because calcium hydrogencarbonate is soluble
CaCO3 + H2O + CO2 → Ca(HCO3)2
that is, calcium carbonate dissolves
because calcium hydrogencarbonate is soluble
參考: me*
2007-04-12 6:52 am
I just wonder do you mean:
When excess CO2 is added into lime water:
CaCO3(s) + H2O (l) + CO2(g) --> Ca(HCO3)2(aq)
The lime water will be cleared again, because Ca(HCO3)2 is soluble.
When excess CO2 is added into lime water:
CaCO3(s) + H2O (l) + CO2(g) --> Ca(HCO3)2(aq)
The lime water will be cleared again, because Ca(HCO3)2 is soluble.
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