cp= m/mr * 100%
60%= m*100%/400g
m=240g soli w pierwszym roztworze.
do tego dosypano 10 g soli, czyli m2= 240g + 10g=250g soli
mr= 400g-40g+10g=370g
Cp2=250g *100%/370g=67,56%
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cp= m/mr * 100%
60%= m*100%/400g
m=240g soli w pierwszym roztworze.
do tego dosypano 10 g soli, czyli m2= 240g + 10g=250g soli
mr= 400g-40g+10g=370g
Cp2=250g *100%/370g=67,56%