do 250cm3 alkoholu metylowego dodano 50cm3 gliceryny. oblicz stezenie procentowe gliceryny w alkoholu metylowym. gestosc alkoholu metylowego - 0,792g/cm3 , gliceryny - 1,261g/cm3
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ALKOHOL
v=250cm3
d=0,792g/cm3
m=v*d
m=250*0,792
m = 198g
GLICERYNA
v=50cm3
d=1,261g/cm3
m=v*d
m=50*1,261
m = 63,05g
ms=63,05g
mr=198g+63,05g
mr=261,05g
Cp=ms*100%/mr
Cp=63,05*100/261,05
Cp = 24,15%