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Cp =10%
mr = 500g
ms = ?
Cp=ms/mr | *mr
ms=Cp*mr
ms = 10%*500 = 0,1*500 = 50g
II roztwór
Cp = 25%
ms = 50g
mr = ?
mr = ms/Cp
mr=50/25% = 50/0,25=200g
500-200=300g
Odp. Trzeba odparować 300g wody.