Предмет: Химия, автор: C17

Вычислите, какое количество вещества составляют 140 г азота N2.

Platinum15: раздели 140 на 28

Ответы

Автор ответа: denisgr98

Дано:

m(N2) = 140 г

Найти:

n(N2) - ?

Решение:

n(N2) = m(N2)/M(N2) = 140/28 = 5 моль

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