Вопрос школьника по предмету Химия
Сколько граммов оксида алюминия получается, когда алюминий восстанавливает 18 г оксида железа?
Ответ учителя по предмету Химия
Ответ:
6,3 грамм
Объяснение:
1) Составим уравнение реакции:
Al + Fe2O3 = Al2O3 + Fe
n(Fe2O3) = 18 / 160 = 0,1125 Моль
m(Fe) = 0,1125 * 56 = 6,3 грамм
Вроде так)
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