Question

briefly explain mole concept.

Answer 1

One mole of any species (atoms,molecules,ions or particles ) is that quantity in no.having a mass equal to its atomic or molecular mass in grams.
1mole = 6.022×10 to the power of 23
This is called as avogadro number.

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Answer 2

Mole is defined as the amount of a substance, which contains the same number of chemical units (atoms, molecules, ions or electrons) as there are atoms in exactly 12 grams of pure carbon-12. A mole represents a collection of 6.023 x 1023 ( Avogadro's number) chemical units.