1)mr= 400gCp=18%ms=Cp*mr/100%ms=18*400/100ms = 72g soli2)n=1,5molav=0,2dm3Cm=n/vCm=1,5/0,2Cm = 7,5mol/dm3
Zadanie 1
Zadanie 2
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1)
mr= 400g
Cp=18%
ms=Cp*mr/100%
ms=18*400/100
ms = 72g soli
2)
n=1,5mola
v=0,2dm3
Cm=n/v
Cm=1,5/0,2
Cm = 7,5mol/dm3
Zadanie 1
Zadanie 2