Do 300g 20%-owego etanolu dodano 50g C2H5OH. Oblicz Cp
Cp1 = 20%
mr= 300g
ms = ?
Cp=ms*100%/mr | *mr
Cp * mr=ms*100% | /100%
Cp * mr / 100% = ms
ms1 = 20%*300g/100%
ms1= 60g
ms2 = 60g + 50 g= 110g
mr2 = 300g + 50g = 350g
Cp2 = 110g*100%/350g
Cp2 = 31,43 %
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Cp1 = 20%
mr= 300g
ms = ?
Cp=ms*100%/mr | *mr
Cp * mr=ms*100% | /100%
Cp * mr / 100% = ms
ms1 = 20%*300g/100%
ms1= 60g
ms2 = 60g + 50 g= 110g
mr2 = 300g + 50g = 350g
Cp2 = 110g*100%/350g
Cp2 = 31,43 %