1. 2Al + 6HCl → 2AlCl₃ + 3H₂ ↑
2. AlCl₃ + 3NaOH → Al(OH)₃ ↓ + 3NaCl
3. 2Al(OH)₃ → Al₂O₃ + 3H₂O ↑
4. Al₂O₃ + 6HCl → 2AlCl₃ + 3H₂O
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Answers & Comments
1. 2Al + 6HCl → 2AlCl₃ + 3H₂ ↑
2. AlCl₃ + 3NaOH → Al(OH)₃ ↓ + 3NaCl
3. 2Al(OH)₃ → Al₂O₃ + 3H₂O ↑
4. Al₂O₃ + 6HCl → 2AlCl₃ + 3H₂O