5liters of alcohol has a mass of 4kg.the density of alcohol?

3 answers

Density(volumetric mass density) =mass/volume
Density = 4kg/5Liters = 0.80 kg/Liter.
Liter = .1^3 m^3 = .001 m^3
so
.8*1000 = 800 kg/m^3

which is 80% density of water