Oblicz stężenie procentowe roztworu soli o nazwie azotan (V0 rubidu otrzymanego w wyniku dodania 59g wody do 150g roztworu o stężeniu 36%
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mr1 = 150
Cp - 36 %
mr2 = 150 +59 = 209
cp2 = ?
ms = ?
Cp = ms*100 / mr |* mr
Cp * mr = ms *100 % |:100 %
Cp *mr /100 % = ms
36 * 150/100 = ms
5400/100 = ms
54 = ms
cp 2 = 54 *100 / 209
cp2 = 5400/209
cp2 ~25,84 %
Cp2=? mw dod=59g mr1=150g Cp1=36%
ms=mr1*Cp1/100%
ms=54g
mr2=mr1+mw dod
mr2=209g
Cp2=ms*100%/mr2
Cp2=54g*100%/209g
Cp2=25,8%