How do you calculate mass using density and volume?

1 Answer
Meave60
Dec 2, 2014

Density is the mass per unit of volume of a substance. The density equation is:

#"Density"# = #"Mass"/"Volume"#

To solve the equation for Mass, rearrange the equation by multiplying both sides times Volume in order to isolate Mass, then plug in your known values (Density and Volume). Then solve for Mass.

#"Mass"# = #"Density x Volume"#

Example

The density of copper is #"8.933 g/cm"^3#. What is the mass of a sample of copper with a volume of #"10.00 cm"^3#?

#"Mass"_"Cu"# = #"8.933g"/"1cm"^3"# x #"10.00 cm"^3"# = #"89.33 g"#

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