Do 500g 25% roztworu cukru dodano 100g cukru. Oblicz stężenie otrzymanego roztworu.
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Dane:
mr1=500 g
Cp1=25%
mr2=500 g+100g=600g
Szukane:
ms1=?
ms2=?
Cp2=?
ms1=Cp1*mr1/100%
ms2=ms1+100 g
Cp2=ms2*100%/mr2
Obliczenia:
ms1=25%*500g/100%
ms1=125 g
ms2=125 g+100g
ms2=225 g
Cp2=225g*100%/600 g
Cp2=37,5%