Предмет: Химия, автор: 19820721

какова массовая доля карбоната калия в полученном растворе, если к 150г 20% раствора данной соли добавили ещё 20г карбоната калия

Ответы

Автор ответа: anelyasisenbaikyzy

1

Ответ:

150+20=170г 20/170*20%=2,3%

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