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Question

In 2Na₂S + 3O₂ → 2Na₂O + 2SO₂, what is the total number of electrons transferred per mole of Na₂S?

Options

Choose one · Correct answer highlighted

Explanation

S (-2 in Na₂S) to +4 in SO₂: 2 S lose 2 × (4 - (-2)) = 12 electrons total. Per Na₂S = 12/2 = 6.