Перейти к выбору ответа 12.04.2022в 150мл воды растворили 50г соли какова массовая доля соли в р-ре(растворе)? Выбрать другой вопрос Смотреть ответ Перейти к выбору ответа Химия Ответ учителя по предмету Химия w(соли) = m(соли)÷m(p-pa) m(p-pa) = m(воды)+m(соли) = 50+150 = 200г w(соли) = 50÷200 = 0,25*100% = 25%
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