Aqueous sulfurous acid (H₂SO₃) and aqueous sodium chloride are formed by the reaction of aqueous hydrochloric acid (HCl)

Aqueous sulfurous acid (H₂SO₃) and aqueous sodium chloride are formed by the reaction of aqueous hydrochloric acid (HCl) and aqueous sodium sulfite (Na₂SO₃). Write a balanced chemical equation for this reaction.