Объяснение:
4Al+3O2=2Al2O3
Al2O3+6HBr=2AlBr3+3H2O
AlBr3+3NaOH=Al(OH)3+3NaBr
2Al(OH)3=Al2O3+3H2O
Al2O3+3H2SO4=Al2(SO4)3+3H2O
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Объяснение:
4Al+3O2=2Al2O3
Al2O3+6HBr=2AlBr3+3H2O
AlBr3+3NaOH=Al(OH)3+3NaBr
2Al(OH)3=Al2O3+3H2O
Al2O3+3H2SO4=Al2(SO4)3+3H2O