Перейти к выбору ответа 02.04.2022определить количество вещества Na2C3 массой 10,6 г. Выбрать другой вопрос Смотреть ответ Перейти к выбору ответа Химия Вопрос школьника по предмету Химия определить количество вещества Na2C3 массой 10,6 г. Ответ учителя по предмету Химия n(количество)= m/M(молярная масса) М(Na2C3)= 2*23 + 3*12= 82г/моль n(Na2C3) = 10,6/82= 0,129моль
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