Question

Do the following density practice problems using the equation for density and the density triangle. Be sure to show all work and to use the correct units. 1) A wooden block has a mass of 562 g and a volume of 72 cm3. What is the density?

Answer 1

Answer:

$\text{density} = 7.806\dfrac{\text{g}}{\text{cm}^3}$

Explanation:

Density is defined as:

$\text{density} = \dfrac{\text{mass}}{\text{volume}}$

Given that:

mass = 562 g

volume = 72 cm^3

we can find the density:

$\text{density} = \dfrac{562\text{g}}{72\text{cm}^3}$

$\text{density} = 7.806\dfrac{\text{g}}{\text{cm}^3}$

this is our answer!

if you want to represent the density as kg/m^3. this can be easily done by converting the units.

$\text{density} = 7.806\times\left(1000\,\dfrac{\text{kg}}{\text{m}^3}\right)\\\text{density} = 7806\,\dfrac{\text{kg}}{\text{m}^3}$