S + O₂ = SO₂
SO₂ + H₂O = H₂SO₃
Ca(OH)₂ + H₂SO₃ = CaSO₃↓ + 2H₂O
Ca²⁺+2OH⁻ + H₂SO₃ = CaSO₃↓ + 2H₂O
СаSO₃ + 2HCl = CaCl₂ + SO₂↑ + H₂O
CaSO₃ + 2H⁺ + 2Cl⁻ = Ca²⁺ + 2Cl⁻ + SO₂↑ + H₂O
CaSO₃ + 2H⁺ = Ca²⁺ + SO₂↑
CaCl₂ + 2AgNO₃ = 2AgCl↓ + Ca(NO₃)₂
Ca²⁺+2Cl⁻+2Ag⁺+2NO₃ = 2AgCl↓ + Ca²⁺+2NO₃⁻
2Ag⁺ + 2Cl⁻ = 2AgCl↓
Ag⁺ + Cl⁻ = AgCl↓
S + O₂ = SO₂
SO₂ + H₂O = H₂SO₃
Ca(OH)₂ + H₂SO₃ = CaSO₃↓ + 2H₂O
Ca²⁺+2OH⁻ + H₂SO₃ = CaSO₃↓ + 2H₂O
СаSO₃ + 2HCl = CaCl₂ + SO₂↑ + H₂O
CaSO₃ + 2H⁺ + 2Cl⁻ = Ca²⁺ + 2Cl⁻ + SO₂↑ + H₂O
CaSO₃ + 2H⁺ = Ca²⁺ + SO₂↑
CaCl₂ + 2AgNO₃ = 2AgCl↓ + Ca(NO₃)₂
Ca²⁺+2Cl⁻+2Ag⁺+2NO₃ = 2AgCl↓ + Ca²⁺+2NO₃⁻
2Ag⁺ + 2Cl⁻ = 2AgCl↓
Ag⁺ + Cl⁻ = AgCl↓