Question

If the mass of a material is 78 grams and the volume of the material is 23 cm3, what would the density of the material be?

Answer 1

By definition, density is mass per volume.

`d=(m)/(v)`

Plugging in the given values gives:

`d=(78 g)/(23 cm^3) =3.3913(g)/(cm^3)`

The only operation done in the problem is division, and both numbers have 2 significant figures, so this would be
`3.4(g)/(cm^3)` with correct significant figures.

Answer 2

Density = mass / volume

Density = (78g) / (23cm^3)

Density = 3.4g/cm^3