Do 250 g 5% roztworu soli kuchennej dodano 10 g soli oblicz cp
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Cp1=5%
ms1=?
ms2=12,5g+10g=22,5g
mr2=260g
ms1= 250g x 5%/100%=12,5g
cp2= 22,5/260g x 100%=8,65%
Cp wynosi 8,65%