K⁺ + Mn²⁺ + 4O²⁻ +2K⁺ + SO₃ ²⁻ + 2H⁺ + SO₄²⁻ = Mn²⁺ + SO₄²⁻ +2K⁺ +SO₄²⁻ + H₂O
K⁺ + 4O²⁻+ SO₃²⁻+ 2H⁺ = 2K⁺ +SO₄²⁻ +H₂O
