Предмет: Химия, автор: timalij666

Визначте масу розчину, у якому міститься 28г солі , якщо масова частка цієї солі становить 12%
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Автор ответа: nikolaygr

4

Відповідь:

w=m(солі)*100/m(розчину)

m(розчину)=m(солі)*100/w=28*100/12=233,3г

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