Игорь Руссков 2Al+3Br2=2AlBr3 AlBr3+3NaOH=Al(OH)3+3NaBr 2Al(OH)3=Al2O3+3H2O Al2O3+2NaOH+3H2O=2Na[Al(OH)4] Na[Al(OH)4]+4HCl=NaCl+AlCl3+4H2O