This chemical equation represents a chemical reaction. 2HNO3+Na2SO3-2NaNO3+H2O+SO2

D. Na₂SO₃

Explanation:

The given equation is:

         2HNO₃ + Na₂SO₃  → 2NaNO₃  + H₂O + SO₂

The reaction equation is shown above. In chemical reactions, the left hand side is made up of the reactants and the right hand side is made up of the products.

 The reactants in the equation are:

     HNO₃ and Na₂SO₃

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