Предмет: Химия, автор: Aybala2005

жёсткость воды может быть вызвана следующими солями кальция и магния CaCl2,MgSo4,MgCl2
Подсчитайте массовую долю кальция и магния в % в этих солях
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Автор ответа: kamilla2611

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отметь лучшим пж

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