Cp₁=3%
Cp₂=2%
mr₁=40kg
ms=Cp·mr/100%
ms=3%·40kg/100%=1,2kg
mr=ms·100%/Cp
mr₂=1,2kg·100%/2%=60kg
mw=mr₂-mr₁
mw=60kg-40kg=20kg
Odp.: Należy dodać 20kg wody.
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Cp₁=3%
Cp₂=2%
mr₁=40kg
ms=Cp·mr/100%
ms=3%·40kg/100%=1,2kg
mr=ms·100%/Cp
mr₂=1,2kg·100%/2%=60kg
mw=mr₂-mr₁
mw=60kg-40kg=20kg
Odp.: Należy dodać 20kg wody.