Question

Describe how sodium hydrogencarbonate (baking soda) is produced on a large scale. Write equation of the reaction involved.

 

Answer 1

Sodium hydrogencarbonate (baking soda) is produced on a large scale by reacting a cold and concentrated solution of sodium chloride called brine with ammonia and carbon dioxide.

     NaCl + NH₃ + H₂O + CO₂ →  NaHCO₃ +  NH₄Cl