Предмет: Химия, автор: vovik83

СРОЧНО В 150г воды растворили 25г соли. Найти массовую долю соли в полученном растворе.

Ответы

Автор ответа: Alexei78

12

Ответ:

дано

m(H2O) =150 g

m(соли) = 25g

--------------------

W(соли)-?

w(соли) = m(соли) / (m(соли) +m(H2O) ) * 100% = 25 / (25+150) * 100% = 14.3%

ответ 14.3 %

Объяснение:

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