Предмет: Химия, автор: Sergei9875

⇔⇔⇔⇔Обчисліть масову частку розчиненої речовини, якщо у 200 г розчину міститься 5 г цієї речовини.

Ответы

Автор ответа: ВикаБач

Ответ:

w (реч) = m(реч) / m(розчину) = 5 г/200 г=0,025 =2,5 %

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