Осуществить цепочку превращений :
Al -> Al2O3 -> AlCl3 -> Al(OH)3 -> Al2O3
4AL + 3O2 = 2Al2O3
Al2O3 + 6HCl = 2AlCl3 + 3H2O
AlCl3 + 3KOH = Al(OH)3 + 3KCl
2Al(OH)3 = Al2O3 + 3H2O
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Verified answer
4AL + 3O2 = 2Al2O3
Al2O3 + 6HCl = 2AlCl3 + 3H2O
AlCl3 + 3KOH = Al(OH)3 + 3KCl
2Al(OH)3 = Al2O3 + 3H2O