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The Mole


    The quantity of a substance is measured in metric units, called moles. A mole of a substance is the quantity of that substance that contains the same number of particles as Avagadro’s number.

Avagadro’s number     --->      6.023  •  10²³      =      1 mol.
-    atoms
-    particles
-    molecules
-    formula units


6.023  •  10²³  is equal to 6.02300000000000000000.