What is density and how is it calculated?

What is density and how is it calculated?

• A. Density is volume per mass; calculate by multiplying mass by volume.
• B. Density is mass per volume; calculate by dividing mass by volume.
• C. Density is the amount of heat in a substance; calculated by mass times temperature.
• D. Density is the force on an object due to gravity; calculated by mass times acceleration.

Answer: (B)