What is the amount of space occupied by a substance?

1 Answer
Sep 26, 2016

Clearly, it's the #"volume"#.

Explanation:

All matter, gas, liquid, and solid expresses a volume. For gases, the volume can be altered for a given quantity (i.e. mass) by compression or expansion, and a gas will always fill a vacuum evenly. #"Gaseous volumes"# have typical units of #L#, or #m^3#.