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d=1,1g/cm³
m=v*d
m=20*1,1
m = 22g
mr=22g
Cp=5%
ms=Cp*mr/100%
ms=5*22/100
ms = 1,1g
Dodano 10g soli i 150g wody, więc:
ms=1,1g + 10g = 11,1g
mr=22g+10g+150g = 182g
Cp=ms*100%/mr
Cp=11,1*100/182
Cp = 6,1%