Density, Volume, Mass

**soccerchic96** · April 9th 2008, 04:48 PM

What is the density of a substance in kg/mL, if a sample with a volume of 2.67cm3 has a mass of 3391 mg?

**Mathstud28** · April 9th 2008, 04:49 PM

Originally Posted by soccerchic96

What is the density of a substance in kg/mL, if a sample with a volume of 2.67cm3 has a mass of 3391 mg?

I am not by any standards amazing at phsyics but isnt $Density=\frac{V}{M}$ ?

**topher0805** · April 9th 2008, 04:53 PM

Originally Posted by Mathstud28

I am not by any standards amazing at phsyics but isnt $Density=\frac{V}{M}$ ?

No. It is typically measured in grams per centimeter cubed and is thus given by the equation:

$D=\frac {m}{V}$

**Mathstud28** · April 9th 2008, 04:54 PM

Originally Posted by topher0805

No. It is typically measured in grams per centimeter cubed and is thus given by the equation:

$D=\frac {m}{V}$

::note to self::"do not answer units questions":: haha

**soccerchic96** · April 9th 2008, 04:57 PM

yes, it does, and my mom got home and she helped me, THANKS for the HELP

Thread: Density, Volume, Mass