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