Na₃PO₄ = 3Na⁺ + PO₄³⁻ HClO₄ = H⁺ + ClO₄⁻ Ba(OH)₂ = BaOH⁺ + OH⁻ BaOH⁺ = Ba²⁺ + OH⁻ Cu(NO₃)₂ = Cu²⁺ + 2NO₃⁻ HCl = H⁺ + Cl⁻ H₂SO₃ = H⁺ + HSO₃⁻ HSO₃⁻ = H⁺ + SO₃²⁻ Al(NO₃)₃ = Al³⁺ + 3NO₃⁻