Question

give me concept of mass, volume and density​

Answer 1

VOLUME AND DENSITY DEFINED. ... Densityis the ratio of mass to volume—or, to put itsdefinition in terms of fundamental properties, of mass divided by cubed length. Density can also be viewed as the amount of matter within a given area.

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Answer 2

Mass is same as volume and it means the weight of an object according to normal language.

Volume means the capacity of an object to hold a thing.

Density means the number of particles in a matter.