Mass is the amount of what in a substance
- Mass is the amount of matter in a substance
- Mass is the amount of particles in a substance
- Mass is the amount of a substance has
- Mass is the amount of substance in an object
- Mass is the amount of substance in something
- Mass is the amount of space occupied by a substance
- Mass is the amount of substance present in an object
- Mass is the amount of substance that a body contains
- Mass refers to the amount of matter in a substance
- What is the amount of mass in a given volume of a substance
- What is the amount of mass in a unit volume of a substance