What is the density of a mixture of 1.5m3 of water and 0.5m3 of alcohol of density 800kg/m3? (Density of water = 1000kgm^-3 )

Answer 1

total mass: 1500+400 kg
total volume: 1.5 + 0.5 m^3
density = 1900/2 kg/m^3