NaOH + HCI = NaCI + H₂O
Na⁺ + OH⁻ + H⁺ + CI⁻ = Na⁺ + CI⁻ + H₂O
OH⁻ + H⁺ = H₂O
BaCI₂ + H₂SO₄ = BaSO₄↓ + 2HCI
2H⁺ + SO₄²⁻+ Ba²⁺ + 2CI⁻=BaSO₄↓ +2H⁺ + 2CI⁻
SO₄²⁻+ Ba²⁺ =BaSO₄↓
3KOH
+ AICI₃= 3KCI + AI(OH)₃↓
3K⁺ + 3OH⁻ + AI³⁺ + 3CI⁻ = 3K⁺ + 3CI⁻ + AI(OH)₃↓
3OH⁻ + AI³⁺ = AI(OH)₃↓
2HBr + Zn(OH)₂ = ZnBr₂ + 2H₂O
2H⁺ + 2Br + Zn(OH)₂ = Zn²⁺ + 2Br⁻ + 2H₂O
2H⁺ Zn(OH)₂ = Zn²⁺ + 2H₂O