Question

Can anyone say me about melc concept in detail.....................pls

Answer 1

It is not melc it is "mole"

It is the basic of chemistry.
One mole of a substance weights its atomic mass.
One mole of substance contains 6.023×10^23 molecules.
One mole of a gas is 22.4 liter.

Thanks.
Tripathy

Answer 2

Hellooo!!

Mole is defined as the amount of a substance, which contains the same number of unit as there are atoms in exactly 12 grams of pure carbon-12. A mole represents a collection of 6.023 x 1023 units.

hope it helps