Ile gram soli znajduje się w 250cm3(sześciennych) 5% roztworu o gęstości 1,5g/cm3.
d=1,5g/cm3
d=mr/vr
mr=d*Vr
mr=1,5g/cm3*250cm3=375g
cp=(ms/mr)*100%
5%=(ms/375)*100%
5/100=ms/375
ms=0,05*375
ms=18,75g soli
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d=1,5g/cm3
d=mr/vr
mr=d*Vr
mr=1,5g/cm3*250cm3=375g
cp=(ms/mr)*100%
5%=(ms/375)*100%
5/100=ms/375
ms=0,05*375
ms=18,75g soli