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Автор - boss778

Определить количество вещества в 100г H3PO4

Ответ

Автор - svetka1574

Дано

m(H3PO4) = 100 г

М(Н3РО4) = 98 г/моль

Найти

n(H3PO4)

n(H3PO4) = m/ М = 100/98 =1 моль

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