Z jakiej masy 28% roztworu można zrobić 200g 48% roztworu przez odparowanie wody? ..
mr=200g
Cp=48%
ms=Cp*mr/100%
ms=48*200/100
ms = 96g
Cp=28%
ms=96g
mr=ms*100%/Cp
mr=96*100/28
mr = 342,86g
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mr=200g
Cp=48%
ms=Cp*mr/100%
ms=48*200/100
ms = 96g
Cp=28%
ms=96g
mr=ms*100%/Cp
mr=96*100/28
mr = 342,86g