Question

A 25.2-mL sample of kerosene was determined to have a mass of 20.41 g. What is the density of kerosene?

Answer 1

`0.810 g/(mL)`

Explanation:

To calculate the density, we'll use the formula below:

`"Density = (Mass)/(Volume)`

• Usually, density will have units of `g/(mL)` when dealing with a liquid or units of `g/(cm^3)` when dealing with a solid.

• The mass has units of grams, `g`.

• The volume can have units of `mL` or `cm^3`

We are given the mass and the volume, both of which have good units. All we have to do is plug the given values into the equation:

`Density =(20.41 g)/(25.2mL)`

Thus, that sample of kerosene has a density of 0.810 g/mL.