Ba(NO₃)₂ + H₂SO₄ = 2HNO₃ + BaSO₄↓Ba²⁺ + 2NO₃⁻ + 2H⁺ + SO₄²⁻ = 2H⁺ + 2NO₃⁻ + BaSO₄↓Ba²⁺ + SO₄²⁻ = BaSO₄↓
2NaOH + Zn(NO₃)₂ = Zn(OH)₂↓+ 2NaNO₃
2Na⁺ + 2OH⁻ + Zn²⁺ + 2NO₃⁻ = Zn(OH)₂↓ + 2Na⁺ + 2NO₃⁻ 2OH⁻ + Zn²⁺ = Zn(OH)₂ ↓
Na₂SO₃ + H₂SO₄ = Na₂SO₄ + SO₂↑ + H₂O
2Na⁺ + SO₃²⁻ + 2H⁺ + SO₄²⁻ = 2Na⁺ + SO₄²⁻ + SO₂↑ + H₂O
2H⁺ + SO₃²⁻ = SO₂↑ + H₂O
Ba(NO₃)₂ + H₂SO₄ = 2HNO₃ + BaSO₄↓
Ba²⁺ + 2NO₃⁻ + 2H⁺ + SO₄²⁻ = 2H⁺ + 2NO₃⁻ + BaSO₄↓
Ba²⁺ + SO₄²⁻ = BaSO₄↓
2NaOH + Zn(NO₃)₂ = Zn(OH)₂↓+ 2NaNO₃
2Na⁺ + 2OH⁻ + Zn²⁺ + 2NO₃⁻ = Zn(OH)₂↓ + 2Na⁺ + 2NO₃⁻
2OH⁻ + Zn²⁺ = Zn(OH)₂ ↓
Na₂SO₃ + H₂SO₄ = Na₂SO₄ + SO₂↑ + H₂O
2Na⁺ + SO₃²⁻ + 2H⁺ + SO₄²⁻ = 2Na⁺ + SO₄²⁻ + SO₂↑ + H₂O
2H⁺ + SO₃²⁻ = SO₂↑ + H₂O
Ba(NO3)2+H2SO4 → BaSO4+2HNO3
Zn(NO3)2+2NaOH → Zn(OH)2+2NaNO3