Cp= 15%
mr= 158g
d= 0,78g/cm3
ms=?
V=?
Cp= ms*100%/mr
ms= Cp*mr/100%
ms= 15% * 158g/100%
ms= 23,7g - tyle gramów jodu
mrozp= 158g - 23,7g = 134,3g
d=m/V
V= m/d
V= 134,3g/ 0,78g/cm3
V= 172,12cm3 - taką objętość etanolu
Pozdrawiam, kate66 ;)
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Cp= 15%
mr= 158g
d= 0,78g/cm3
ms=?
V=?
Cp= ms*100%/mr
ms= Cp*mr/100%
ms= 15% * 158g/100%
ms= 23,7g - tyle gramów jodu
mrozp= 158g - 23,7g = 134,3g
d=m/V
V= m/d
V= 134,3g/ 0,78g/cm3
V= 172,12cm3 - taką objętość etanolu
Pozdrawiam, kate66 ;)