Do 350 g wody wsypano 30 g cukru oblicz stężenie procentow
masa subst - 30 g
masa wody - 350 g
masa roztworu - 380 g
Cp = 30/380 x 100%
Cp = 3/38 x 100% = 300/38% = ok. 7,9 %
mrozp=350g
ms=30g
mr=ms+mrozp=30g+350g=380g
Cp=ms/mr*100%
Cp=30/380*100%=7,9%
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masa subst - 30 g
masa wody - 350 g
masa roztworu - 380 g
Cp = 30/380 x 100%
Cp = 3/38 x 100% = 300/38% = ok. 7,9 %
mrozp=350g
ms=30g
mr=ms+mrozp=30g+350g=380g
Cp=ms/mr*100%
Cp=30/380*100%=7,9%