Sodium Sulfite, Na₂SO₃(aq), Is Added to Wine as an Antioxidant

Sodium sulfite, Na₂SO₃(aq) , is added to wine as an antioxidant since it reacts with the oxygen of the air to form sodium sulfate, Na₂SO₄(aq) . Which of the following is the balanced equation for this reaction?

A) Na₂SO₃(aq) + O(g) → Na₂SO₄(aq)
B) Na₂SO₃(aq) + 2 O(g) → Na₂SO₄(aq)
C) 2 Na₂SO₃(aq) + O₂(g) → 2 Na₂SO₄(aq)
D) Na₂SO₃(aq) + O₂(g) → Na₂SO₄(aq)

Correct Answer:

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