Цепочка.Al-> Al2O3-> AlBr3-> Al(OH)3-> Al2O3-> Al
4Al + 3O2 --> 2Al2O3
Al2O3 + HBr --> AlBr3 + H2O
AlBr3 + 3 KOH -->Al(OH)3 + 3KBr
Al(OH)3 --> Al2O3 + 3H2O (выше 575С)
Al2O3 +3H2 --> Al + H2O
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4Al + 3O2 --> 2Al2O3
Al2O3 + HBr --> AlBr3 + H2O
AlBr3 + 3 KOH -->Al(OH)3 + 3KBr
Al(OH)3 --> Al2O3 + 3H2O (выше 575С)
Al2O3 +3H2 --> Al + H2O