When a cold and concentrated solution of sodium chloride (NaCl) reacts with ammonia (NH₃) and carbon dioxide (CO₂), it leads to the formation of sodium bicarbonate (NaHCO₃) and ammonium chloride (NH₄Cl). This reaction is often used in the preparation of these compounds.
The balanced chemical equation for this reaction is:
NaCl (aq) + NH3 (g) + CO2 (g) + H2O (l) → NaHCO3 (s) + NH4Cl (aq)