How do you find the mass, volume, and density of an object, and what formulas and Sl units are used for each? Would equal volumes of two different substances have the same or different masses? Why?

1 Answer
Monzur R.
Jun 5, 2017

Mass is just how much of a solid substance you have and volume is the amount of a liquid substance you have. Density is how much of the substance you have per unit of volume.

Explanation:

Mass is measured in #"kg"#, volume in #"m"^3# and mass density in #"kg"# #"m"^-3#.

The formula for density is given by the following equation:

#rho=m/V# where #rho# is the density, #m# is the mass and #V# is the volume.

It is possible for two substances to have equal volumes but different masses, depending on their densities. Take water. for example, which has a mass of #1000# #"kg"# #"m"^3#. In one #"m"^3#, we would have #1000# #"kg"# of it. Now take something that's more dense at #1200# #"kg"# #"m"^3#. In one #"m"^3#, we would have #1200# #"kg"# of it.

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