Предмет: Химия, автор: wlekwkle

молярная масса органического вещества равна 146 г/моль. Массовая доля азота в веществе равна 19.2%. сколько атомов азота содержится в одной молекуле вещества?

Ответы

Автор ответа: nikolaygr

1

Відповідь:

w(N)=19,2%=0,192

Ar(N)=14

N(N)=146*0,192/14=2 атома

Пояснення:

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