Question

what is mole concept?
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Answer 1

Answer:

A mole (symbol mol) is defined as the amount of substance that contains as many atoms, molecules, ions, electrons or any other elementary entities as there are carbon atoms in exactly 12 gm of . The number of atoms in 12 gm of is called Avogadro's number .

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Answer 2

Answer:

It is defined as the amount of substance that contains as many atoms , molecules , ions , electrons and any other elementry entities as there are carbon atoms in exactly 12 gm of .The number of atoms in 12 of is called Avogadro's number.