The amount of mass in a given volume of a substance is known as
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The mass of an object given its volume is the density of the object. This hold true for any medium, whether it be liquid, gas, solid, etc. The density of an entity is crucial to its identity.
The amount of mass in a given volume of a substance is called Density.
The density of a substance can be defined as its mass per unit volume. Mathematically, density is defined as mass divided by volume. For a substance which is pure, the density has the same numerical value and its mass concentration. Density of a substance can be changed by changing the temperature and pressure of the material.
Density = mass/volume