Объяснение:
Al2O3 + 6HBr = 2AlBr3 + 3H2O
AlBr3 + 3NaOH = Al(OH)3 + 3NaBr
2Al(OH)3 + 3H2SO4 = Al2(SO4)3 + 6H2O
Al2(SO4)3 + 3BaCl2 = 3BaSO4 + 2AlCl3
Объяснение:
Al2O3 + 6HBr = 2AlBr3 + 3H2O
AlBr3 + 3NaOH = Al(OH)3 + 3NaBr
2Al(OH)3 + 3H2SO4 = Al2(SO4)3 + 6H2O
Al2(SO4)3 + 3BaCl2 = 3BaSO4 + 2AlCl3