Предмет: Химия, автор: travinov05

Смешали 2 грамма соли и 140 грамм воды. Каковы массовая доля в полученном растворе?

Ответы

Автор ответа: avet1234p2e8d0

0

2+140=142g
W(вода)=140/142•100%=98,59%=98,6%

W(соль)=2/142•100%=1,4%
Или
W(соль)=100%-98,6%=1,4%

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