Al-al2o3-alcl-al (oh)3-al2o3

Question

Al-al2o3-alcl-al (oh)3-al2o3

Answer 1

2AL+3O2=2Al2O3
Al2O3 + 6HCl = 2AlCl3 + 3H2O
AlCl3 + 3NaOH = Al(OH)3 + 3NaCl
2Al(OH)3=Al2O3+3H2O (нагревание)