a) Dane:
mr1=300 g
Cp1=20%
mr2=20 g
Cp2=10%
mr3=300 g+20 g=320 g
Szukane:
ms1=?
ms2=?
ms3=?
Cp3=?
ms1=Cp1*mr1/100%
ms2=Cp2*mr2/100%
ms3=ms1+ms2
Cp3=ms3*100%/mr3
Obliczenia:
ms1=20%*300g/100%
ms1=60 g
ms2=10%*20g/100%
ms2=2 g
ms3=60 g+2 g
ms3=62 g
Cp3=62g*100%/320g
Cp3=19,375%
b) Dane:
V=300 cm3
Cp=70%
d=1,7 g/cm3
Szukane:
ms=?
ms=Cp*d*V/100%
Obliczenia:
ms=70%*1,7 g/cm3*300cm3/100%
ms=357 g