Ile soli znajduje sie w 0,5 kg roztworu o stężeniu 2%.
Cp=ms/mr*100%
2%=ms/500g *100%
ms=10g - masa soli
Dane:
cp=2%
mr=0,5kg=500g
Szukane:
ms= ?
ms=Cp*mr/100%
ms=2%*500g/100%=10g
Odp:W roztworze znajduje sie 10 g soli.
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Cp=ms/mr*100%
2%=ms/500g *100%
ms=10g - masa soli
Dane:
cp=2%
mr=0,5kg=500g
Szukane:
ms= ?
Cp=ms/mr*100%
ms=Cp*mr/100%
ms=2%*500g/100%=10g
Odp:W roztworze znajduje sie 10 g soli.