Ответ:
S + Fe = FeS
4FeS + 11O₂ = 8SO₂ + 2Fe₂O₃
2SO₂ + O₂ = 2SO₃
2KOH + SO₃ = K₂SO₄ + H₂O
2K⁺ + 2OH⁻ + SO₃ = 2K⁺ +SO₄²⁻ + H₂O
2OH⁻ + SO₃ = SO₄²⁻ + H₂O
K₂SO₄ + BaCl₂ = BaSO₄ + 2KCl
2K⁺ + SO₄²⁻ + Ba²⁺ + 2Cl⁻ = BaSO₄↓ + 2K⁺ + 2Cl⁻
Ba²⁺ + SO₄²⁻ = BaSO₄↓
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Verified answer
Ответ:
S + Fe = FeS
4FeS + 11O₂ = 8SO₂ + 2Fe₂O₃
2SO₂ + O₂ = 2SO₃
2KOH + SO₃ = K₂SO₄ + H₂O
2K⁺ + 2OH⁻ + SO₃ = 2K⁺ +SO₄²⁻ + H₂O
2OH⁻ + SO₃ = SO₄²⁻ + H₂O
K₂SO₄ + BaCl₂ = BaSO₄ + 2KCl
2K⁺ + SO₄²⁻ + Ba²⁺ + 2Cl⁻ = BaSO₄↓ + 2K⁺ + 2Cl⁻
Ba²⁺ + SO₄²⁻ = BaSO₄↓