Al → AlCl3 → Al(OH)3
↓
Al2O3 → Al2(SO4)3
1) 2Al + 3 Cl2 = 2AlCl3
2) AlCl3 + 3NaOH = 3NaCl + Al(OH)3
Al → Al2O3 → Al2(SO4)3
1) 2Al + 3O = Al2O3
2) Al2O3 + 3H2SO4 = Al2(SO4)3 + 3H2O
Al → AlCl3 → Al(OH)3
↓
Al2O3 → Al2(SO4)3
Al → AlCl3 → Al(OH)3
1) 2Al + 3 Cl2 = 2AlCl3
2) AlCl3 + 3NaOH = 3NaCl + Al(OH)3
Al → Al2O3 → Al2(SO4)3
1) 2Al + 3O = Al2O3
2) Al2O3 + 3H2SO4 = Al2(SO4)3 + 3H2O