What happens if chalk or marble is attacked with hydrochloric acid?
September 15, 2021 | education
| Chalk, marble – these materials are formed by the chemical CaCO3
СаСО3 + 2HCl = CaCl2 + H2O + CO2
Са2+ + СО3 2- + 2H+ + 2Cl– = Са2+ + 2Cl– + H2O + CO2
СО3 2- + 2H+ = H2O + CO2
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