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Автор - schultz4748

ХИМИЯ 15 балов
найдите число молекул и количество вещества в 88 г оксида азота (H2O)​

Ответ

Автор - denisgr98

Дано:

m(N2O) = 88 г

Найти:

n(N2O) - ? (моль)

N(N2O) - ?

Решение:

n(N2O) = m(N2O)/M(N2O) = 88/44 = 2 моль

N(N2O) = n(N2O) * Na = 2 * 6,02 * 10^23 = 12,04 * 10^23 молекул

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