Предмет: Химия, автор: tokarevavaleria1805

как приготовить 360 г 15 раствора соли? ​

Ответы

Автор ответа: adil200321
0

Ответ:

306г воды

Объяснение

Дана

m(p-pa)=360

W(B-BA)=m(B-BA)/m(p-pa)*100%

W(B-BA)*m(p-pa)/100%

m(B-BA)=15*360=5400/100%=54

m(воды)= m(Pa-pa)-М(вещества)=360-54=306

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