AL-AL2O3-AL2(SO4)3-AL(OH)3-AICI3

Question

AL-AL2O3-AL2(SO4)3-AL(OH)3-AICI3

Answer 1

2Al + O2 = Al2O3
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
Al2(SO4)3  + 6 NaOH = 2Al(OH)3 + 3 Na2SO4
2Al(OH)3 = Al2O3 + 3H2O
Al2O3 + HCl = AlCl3 + H2O