5ml of ethanol has a mass of 3.9 grams and 5.0 ml of benzene has a mass of 4.4 grams,
which liquid is denser?

Benzene is more denser.

Explanation:

Given data:

Mass of ethanol = 3.9 g

Volume of ethanol = 5 mL

Volume of benzene = 5.0 mL

Mass of benzene = 4.4 g

which is denser = ?

Solution:

Density:

Density is equal to the mass of substance divided by its volume.

Units:

SI unit of density is Kg/m3.

Other units are given below,

g/cm3, g/mL , kg/L

Formula:

D=m/v

D= density

m=mass

V=volume

Symbol:

The symbol used for density is called rho. It is represented by ρ. However letter D can also be used to represent the density.

Density of ethanol:

d = m/v

d = 3.9 g/ 5 mL

d = 0.78 g/mL

Density of benzene:

d = m/v

d = 4.4 g/5.0 mL

d = 0.88 g/mL

So benzene is more denser.