Question

Oblicz zawartość wody w 600 gramach roztworu o stężeniu 10%

Answer 1

600------->100%
x--------->10%
x=10*600/100
x=6000/100
x=60

600-60=540g

Answer 2

Cp=10%
Mr=600g
Cp=ms*100%/mr
ms=Cp*mr/100%
ms=10%*600g/100%
ms=60g
Mr=Ms+mH2O
MH20=Mr-Ms
Mh2o=600g-60g
Mh2o=540g