What happens when a cold and concentrated solution of sodium chloride reacts with ammonia and carbon dioxide? Write the chemical equation of the reaction which takes place.

When a cold and concentrated solution of sodium chloride reacts with ammonia and carbon dioxide, to form sodium hydrogen carbonate and ammonium chloride.

The reaction is given by:

$NaCl + NH_3 + H_2O + CO_2→NaHCO_3 + NH_4Cl$