Zad.1
Cp = 5%
ms = 15g
mr = 15g * 100% /5% = 300g
mw = 300g - 15g = 285g
Zad.2
I mr = 500g
Cp = 6%
ms = 6% * 500g /100% = 30g
mw = 500g - 30g = 470g
II Cp = 5%
ms = 30g
mr = 30g * 100% /5% = 600g
mw = 600g - 30g = 570g
mw = 570g - 470g = 100g
Odp: Należy dodać 100g wody.