what is mole

MOle is a name given to a quantity which contains 6.022*10²³ entities i.e. let it be ...atoms, particles, molecules, nuetrons etc. and when it comes to volume... it represents 22.4 litres or 22400 ml of given liquid at STP (Standard Temperature and Pressure)

1. The SI unit of amount of substance, equal to the quantity containing as many elementary units as there are atoms in 0.012 kg of carbon-12.

amount of subs. that contains avogadros no. of particles

A mole is defined as the amount of substance that contains as many elementary particles(atoms,ions,molecules) as there are in 12g of carbon-12 atoms.
Good Luck

Hey Prashant,,

It''s Simple, Think of 6.022 x 10²³ Particles together then, this collection is known as A MOLE. Simply, Like Dozen, Ounce, Decade, Century tehse all are same like a Mole. Thus, Mole = Collection of 6.022x10^{23............}

hope i helped