1) 2Na + 2H₂O → 2NaOH + H₂ + O₂2NaOH + H₂CO₃ → Na₂CO₃ + 2H₂ONa₂CO₃ + H₂SO₄ → Na₂SO₄ + H₂O + CO₂
2) Al(OH)₃ + 3HCl → AlCl₃ + 3H₂OAlCl₃ + 3H₂O → Al(OH)₃ + 3HCl2Al(OH)₃ → Al₂O₃ + 3H₂O
1) 2Na + 2H₂O → 2NaOH + H₂ + O₂
2NaOH + H₂CO₃ → Na₂CO₃ + 2H₂O
Na₂CO₃ + H₂SO₄ → Na₂SO₄ + H₂O + CO₂
2) Al(OH)₃ + 3HCl → AlCl₃ + 3H₂O
AlCl₃ + 3H₂O → Al(OH)₃ + 3HCl
2Al(OH)₃ → Al₂O₃ + 3H₂O