K₂CO₃ + H₂SO₄ = K₂SO₄ + H₂O + CO₂
2K⁺ + CO₃²⁻ + 2H⁺ + SO₄²⁻ = 2K⁺ + SO₄²⁻ + H₂O + CO₂
CO₃²⁻ + 2H⁺ = H₂O + CO₂
Na₃PO₄ + 3AgNO₃ = Ag₃PO₄ ↓+ 3NaNO₃
3Na⁺ + PO₄³⁻ + 3Ag⁺ + 3NO₃⁻ = Ag₃PO₄ ↓+ 3Na⁺ + 3NO₃⁻
PO₄³⁻ + 3Ag⁺ = Ag₃PO₄ ↓
KOH + HCl = KCl + H₂O
K⁺ + OH⁻ + H⁺ + Cl⁻ = K⁺ + Cl⁻ + H₂O
OH⁻ + H⁺ = H₂O