Объяснение:
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1) 2Al2O3 = 4Al + 3O2
2) 2Al + 6HCl = 2AlCl3 + 3H2
3) 2AlCl3 + 3Na2SO4 = 6NaCl + Al2(SO4)3
4) Al2(SO4)3 + 6H2O = 2Al(OH)3 + 3H2SO4
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Объяснение:
.......................
1) 2Al2O3 = 4Al + 3O2
2) 2Al + 6HCl = 2AlCl3 + 3H2
3) 2AlCl3 + 3Na2SO4 = 6NaCl + Al2(SO4)3
4) Al2(SO4)3 + 6H2O = 2Al(OH)3 + 3H2SO4