Предмет: Химия, автор: Anna230598

При растворении в 270 г воды сульфата калия был получен раствор с массовой долей 10%. Масса растворенного K2SO4 равна

Ответы

Автор ответа: mijat

mр=mв/w

mр=270г/0.9=300г

m(K2SO4)=mр-mв

m(K2SO4)=300г-270г=30г

Ответ:30г

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