Zadanie 1
100g-39,5g=60,5 g H2O
39,5g---60,5g H2O
xg---100 g H2O
x=65,29 g
R: 65,29 g/100 g H2O
Zadanie 2
Dane:
mr1=120 g
Cp1=65%
mr2=480 g
Cp2=20%
mr3=120g+480g=600 g
Szukane:
ms1=?
ms2=?
ms3=?
Cp3=?
ms1=Cp1*mr1/100%
ms2=Cp2*mr2/100%
ms3=ms1+ms2
Cp3=ms3*100%/mr3
Obliczenia:
ms1=65%*120g/100%
ms1=78 g
ms2=20%*480g/100%
ms2=96 g
ms3=78 g+96 g
ms3=174 g
Cp3=174g*100%/600g
Cp3=29%
Zadanie 3
176g---276 g roztworu
xg---1000 g roztworu
x=637,68 g