Przygotowując roztwór NaCl odwazono 15g soli i 120g wody. Oblicz stężenie procentowe otrzymanego roztworu.
ms = 15 g
mw = 120 g
cp= ms/mr* 100 %
mr = ms + mw
m=15 g + 120 g
mr = 135 g
cp= 15g/135g*100%
cp= ok. 11, 11 %
ms=15g
ms=15g+120g=135g
Cp=?
Cp=ms/mr * 100%
Cp=15g/135g * 100%
Cp=11,1%
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ms = 15 g
mw = 120 g
cp= ms/mr* 100 %
mr = ms + mw
m=15 g + 120 g
mr = 135 g
cp= 15g/135g*100%
cp= ok. 11, 11 %
ms=15g
ms=15g+120g=135g
Cp=?
Cp=ms/mr * 100%
Cp=15g/135g * 100%
Cp=11,1%