Odpowiedź :
m=v*d
m=2000*0,79=1580g
ms=8g
mr=1580+8=1588g
cp=ms/mr*100%
cp=8/1588*100%
cp=0,50%
d=m/V
m=d*V=0,79*2000=1580g etanolu =mr
Cp=ms/mr*100%=8/1588*100%=0,5%
m=v*d
m=2000*0,79=1580g
ms=8g
mr=1580+8=1588g
cp=ms/mr*100%
cp=8/1588*100%
cp=0,50%
d=m/V
m=d*V=0,79*2000=1580g etanolu =mr
Cp=ms/mr*100%=8/1588*100%=0,5%