Предмет: Химия, автор: polinashurygin

в 40г раствора серной кислоты с массовой долей 20% растворли 60г оксида серы(6). какова массовая доля серной кислоты в полученном растворе?

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Автор ответа: gilfox

Вроде так,точно не могу обещать,хотя по другому не может быть

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