Question

Calculeaza masa de sare care este dizolvata in 600 g saramura de concentratie 15 la suta .

Answer 1

c=15%
md=?
ms=600 g
c=$\frac{md}{ms} *100$⇒ 15 = md/600·100⇒md=$\frac{c*ms}{100}= \frac{15*600}{100} = \frac{9000}{100}=90g$