1) 2Al + 6H2O = 2Al(OH)3 + 3H2
Al(OH)3 + 3HCl = AlCl3 + 3H2O
AlCl3 + 3NaOH = Al(OH)3 + 3NaCl
NaOH + Al(OH)3= Na[Al(OH)4]
2) 2AL+3O2 = 2Al2O3
Al2O3+2NaOH+3H2O = 2Na[Al(Oh)4]
Na[Al(OH)4] → Al(OH)3 + NaOH
2Al(OH)3 → Al2O3+3H2O
2Al2O3 → (электролиз при 950° и Na3[AlF6]) → 4Al + 3O2