Question

what is mole concept

Answer 1

The mole is the unit of measurement in the International System of Units (SI) for amount of substance. 1 Mole is just a number whose value is equal to the Avagadro’s number i.e. 6.022 * 1023. So, when someone claims of a matter to be of 1 mole in quantity, that implies that the matter under consideration contains exactly 6.022 * 1023 number of particles (atoms, molecules, ions, electrons or any other elementary entities). This is very similar to the unit ‘dozen’, which is a common analogy used to explain the concept of mole, a dozen is always equal to 12 irrespective of the object referred to.

Answer 2

avagadro no...mixed no..miderable quantity of molecules and ions ..
=6.23×10ki power-23