What happens if the chalk is treated with hydrochloric acid?
| January 9, 2021 | education
Both chalk and marble have the same chemical formula CaCO3 (calcium carbonate). When calcium carbonate reacts with hydrochloric acid, the following chemical reaction occurs:
CaCO3 + 2 HCl = CaCl2 + H2O + CO2
Under the influence of hydrochloric acid, a reaction occurs, an acid salt, calcium chloride, water is formed and carbon dioxide is released.
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