Question

The density of an object is 9.67 g/cm^3. What is the volume of the object if the mass is 8.77 g?

Answer 1

Let's look at our units here. \[\rm Density = {g \over cm^3} = {mass \over volume}\]We can easily manipulate these units to come up with a way to get a volume from a known density and mass. If\[\rho = {m \over V}\]then\[V = {m \over \rho}\]where m is the mass, V is the volume, and \(\rho\) is the density.

Answer 2

I don´t really understand.

Answer 3

Okay.

We are treating the units here just like we would algebraic variables.

So if density, \(\rho\) is defined as\[\rho = {m \over V}\]We know mass, m, and density, \(\rho\). Therefore, we can solve for V. \[V = {m \over \rho}\]right?

Answer 4

yes

Answer 5

so i divide 9.67 by 8.77