Odpowiedź :
Zadanie 1
Dane:
mr1=0,5 kg=500 g
Cp1=12%
mr2=500g-100g=400g
Szukane:
ms=?
ms=Cp1*mr1/100%
Cp2=?
Cp2=ms*100%/mr2
Obliczenia:
ms=12%*500g/100%
ms=60 g
Cp2=60g*100%/400g
Cp2=15%
Zadanie 2
Dane:
mr1=5 kg=5000 g
Cp1=5%
mr2=5000g+100g=5100g
Szukane:
ms1=?
ms2=?
Cp2=?
ms1=Cp1*mr1/100%
ms2=ms1+100g
Cp2=ms2*100%/mr2
Obliczenia:
ms1=5%*5000g/100%
ms1=250 g
ms2=250g+100g
ms2=350g
Cp2=350g*100%/5100g
Cp2=6,86%
Zadanie 3
Dane:
ms=40 g
Cp=10%
Szukane:
mr=?
mr=ms*100%/Cp
mH2O=?
mH2O=mr-ms
Obliczenia:
mr=40g*100%/10%
mr=400 g
mH2O=400g-40g
mH2O=360 g