THE MOLE

MOLE

* A quantity used by chemists to measure amounts of elements and compounds

* Chemists have chosen a quantity they call mole to represent a group of atoms or molecules of a substance

THE MOLE

AVOGADRO'S NUMBER

* The number of particles in a mole of any substance

*In chemistry, a mole is a very large number known as Avogadro's number. A mole of any chemical contains Avogadro's number of atoms and molecules

 Avogadro's Number

6.02 x 10 to the power of 23

or

602 000 000 000 000 000 000 000

THE MOLE

MOLAR MASS

* The mass of one mole of a substance

THE MOLE

ATOMIC MOLAR MASS

* The average mass of one mole of an element's atoms including all isotopes of the element