ca(hco3)2 + hcl

Reaction between Calcium bicarbonate and dilute Hydrochloric acid:

• Dilute hydrochloric acid decomposes the salt of weak acids.
• When Calcium bicarbonate $\left(\mathrm{Ca}{\left({\mathrm{HCO}}_3\right)}_2\right)$ reacts with dilute Hydrochloric acid $\left(\mathrm{HCl}\right)$, it will give Calcium chloride $\left({\mathrm{CaCl}}_2\right)$, water and Carbon dioxide gas $\left({\mathrm{CO}}_2\right)$ as a product.

Balanced chemical equation:

$\underset{\mathrm{Calcium}\mathrm{bicarbonate}}{\mathrm{Ca}{\left({\mathrm{HCO}}_3\right)}_2\left(\mathrm{s}\right)}+\underset{\mathrm{Hydrochloric}\mathrm{acid}}{2\mathrm{HCl}\left(\mathrm{aq}\right)}\to \underset{\mathrm{Calcium}\mathrm{chloride}}{{\mathrm{CaCl}}_2\left(\mathrm{aq}\right)}+\underset{\mathrm{Water}}{2{\mathrm{H}}_2\mathrm{O}\left(\mathrm{l}\right)}+\underset{\mathrm{Carbon}\mathrm{dioxide}}{2{\mathrm{CO}}_2\left(\mathrm{g}\right)}$

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