Solve the chain by chemistry: Na2CO3 → CaCO3 → CO2 → CaCO3 → Ca (Hco3) 2
| December 9, 2020 | education
1) Na2CO3 + Ca3 (NO3) 2 -> 2NaNO3 + 3CaCO3
2) CaCo3 +2 HCl -> CaCl2 + H2O + CO2
3) CO2 + CaO -> CaCO3
4) CaCO3 + CO2 + H2O -> Ca (HCO3) 2
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