harrisononfire16731 harrisononfire16731

14-02-2024
Chemistry

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Which of the following chemical equations is unbalanced?
1) SO₂ + H₂O → H₂SO₄
2) 2Hg + O2 → 2HgO
3) Na₂O + H₂O → 2NaOH
4) 2H₂S + 3O2 → 2H₂O + 2SO₂

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