Question

what is mole in chemistry ?

Answer 1

$\textbf{DEAR STUDENT}$

The number of constitutive entities in a sample of a substance is technically called its (chemical) amount. Therefore, the mole is a unit for that physical quantity. One can determine the chemical amount of a known substance, in moles, by dividing the sample's mass by the substance's molar mass.

The mole is the unit of amount in chemistry