Question

Zadanie 3 :)
daje naj :)

Answer 1

Mr=0,5kg=500g
Cp=4%
ms=Cp*mr/100%
ms=4*500/100
ms = 20g soli

Dodano 20g soli, więc:
ms=20g+20g=40g
mr=500g+20g=520g
Cp=ms*100%/mr
Cp=40*100/520
Cp = 7,69%