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m=1800cm3 x 1,1g/cm3
m=1980g roztworu
Cp=ms/mr x 100%
0,12=ms/1980
ms=237,6g cukru
d=1,1g/cm3
m=v*d
m=1800*1,1
m=1980g roztworu
Z def. stęż. procent.
12g cukru-----100g roztworu
xg cukru------1980g roztworu
x=237,6g cukru