Z 50 g 20% wodnego roztworu KCl odparowano 10% wody. Oblicz stężenie procentowe otrzymanego roztworu
10%*50g=5g
ms=Cp*mr/100%
ms=20%*50g/100%
ms=10g
50g-5g=45g
Cp=ms*100%/mr
Cp=10g*100%/45g
Cp≈22%
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10%*50g=5g
ms=Cp*mr/100%
ms=20%*50g/100%
ms=10g
50g-5g=45g
Cp=ms*100%/mr
Cp=10g*100%/45g
Cp≈22%