H₂S = H⁺ + HS⁻ , HS⁻ = H⁺ + S²⁻
Ba(OH)₂ = BaOH⁺ + OH⁻, BaOH⁺ = Ba²⁺ + OH⁻
частично: Zn(OH)₂ = ZnOH⁺ + OH⁻, минимально:ZnOH⁺ = Zn²⁺ + OH⁻
Fe(OH)₂NO₃ = Fe(OH)₂⁺ + NO₃⁻, Fe(OH)₂ = FeOH²⁺ + OH⁻, FeOH²⁺= Fe³⁺+OH⁻
NaHSO₄ = Na⁺ + HSO₄⁻ HSO₄⁻=H⁺+ SO₄²⁻
H₂S = H⁺ + HS⁻ , HS⁻ = H⁺ + S²⁻
Ba(OH)₂ = BaOH⁺ + OH⁻, BaOH⁺ = Ba²⁺ + OH⁻
частично: Zn(OH)₂ = ZnOH⁺ + OH⁻, минимально:ZnOH⁺ = Zn²⁺ + OH⁻
Fe(OH)₂NO₃ = Fe(OH)₂⁺ + NO₃⁻, Fe(OH)₂ = FeOH²⁺ + OH⁻, FeOH²⁺= Fe³⁺+OH⁻
NaHSO₄ = Na⁺ + HSO₄⁻ HSO₄⁻=H⁺+ SO₄²⁻