Предмет: Химия, автор: careva6

Сколько структурных единиц содержится в образце железа массой 14 г?​

Ответы

Автор ответа: Аноним
1

Ответ:

1 атом - 56 грамов х атомов - 14 г 56х=14×1 56х=14 х=0,25 ответ: в 14г железа содержится 0,25 атомов

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