2Al + 6H₂SO₄ => Al₂(SO₄)₃ + 3SO₂↑ + 6H₂O
Al₂(SO₄)₃ + 3BaCl₂ => 2AlCl₃ + 3BaSO₄↓
AlCl₃ + 3H₂O => Al(OH)₃↓ + 3HCl
Al(OH)₃ + BaCl₂ => Al(OH)Cl₂ + Ba(OH)₂
Al(OH)Cl₂ + HCl => AlCl₃ + H₂O
2Al + 6H₂SO₄ => Al₂(SO₄)₃ + 3SO₂↑ + 6H₂O
Al₂(SO₄)₃ + 3BaCl₂ => 2AlCl₃ + 3BaSO₄↓
AlCl₃ + 3H₂O => Al(OH)₃↓ + 3HCl
Al(OH)₃ + BaCl₂ => Al(OH)Cl₂ + Ba(OH)₂
Al(OH)Cl₂ + HCl => AlCl₃ + H₂O