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ms=10g
mr=ms+mw=250g+10g=260g
Cp=ms/mr*100%
Cp=10g/260g*100%
Cp=3,85%
v rozp = 250 cm3
m rozp = 1g/cm3 * 250cm3 = 250g
ms = 2 * 5g = 10g
Rozw:
mr (masa roztworu) = 250g + 10g = 260g
C%= ms * 100% / mr
C%= 10g * 100% / 260g
C%= 1000%/ 260 = 3,84%
Odp: Stężenie cukru w tym roztworze wynosi 3,84%. Otrzymamy 260 gramów roztworu.