2Al + 3H2SO4 = Al2(SO4)3 + 3H2
Al2(SO4)3 + 6NaOH = 2Al(OH)3 + 3Na2SO4
Al(OH)3 + NaOH = NaAlO2 + 2H2O
Ответ: (2)
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2Al + 3H2SO4 = Al2(SO4)3 + 3H2
Al2(SO4)3 + 6NaOH = 2Al(OH)3 + 3Na2SO4
Al(OH)3 + NaOH = NaAlO2 + 2H2O
Ответ: (2)