Предмет: Химия, автор: Cassanok

Дано:
w(растворенного вещества) = 10%
m(расствора) = 200г
Найти:
m(Н2О)

Ответы

Автор ответа: jadestern

0

m(растворенного в-ва)=w*m(р-ра)=0,1*200=20 г
m(H₂O)=m(р-ра)-m(в-ва)=200-20=180г

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