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Cp1=5%
mr1=5000g
Szukane:
ms
ms2
mr2
Cp2
ms=Cp1*mr1/100%
ms=5%*5000g/100%=250g
ms2=250g+100g=350g
mr2=5000g+100g=5100g
Cp2=ms2*100%/mr2
Cp2=350g*100%/5100=6,86%
Stężenie procentowe otrzymanego roztworu wynosi 6,86%.