Question

Dajee naj ,zadanko chemia

Answer 1

I
KNO3 20 = 35g/100g H2O
KNO3 60 = 105g/100g H2O

II
mH2O=100 g
ms=105g
mr= 105g+100g=205g

Cp=105/205*100%
Cp=51,22%

III 
p=1,16g/cm^3
m=48g
p=m/V
V=m/p
V=48/1,16
V=41,38 cm^3