gestosc 20% roztworu kwasu azotowego (V) wtemperaturze 20 stopniC wynosi 1,115g/cm3. Oblicz mase 250cm3 20% roztworu kwasu azotowego (V) w tej temperaturze
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dr=1,115g/cm3 Vr=250cm3 Cp=20% ms=?
dr=mr/Vr
mr=dr*Vr
mr=278,75g
mr---100%
ms---Cp
ms=Cp*mr/100%
ms=55,75g
1.115g - 1 cm3
x - 250 cm3
x= 1.115g*250cm3/1cm3
x=278.75g