Atomic Mass and the Mole Concept calculations AP Chemistry Atomic Mass and the Mole Concept calculations

Atoms and molecules are too small to work with by hand Atoms and molecules are too small to work with by hand. This picture of atoms was taken using an electron microscope

Moles of various substances Notice the quantities are different

You need this to calculate moles in Chemistry

And one of these If you want to use the mole in an experiment.

Molarity using a Volumetric Flask

Amedeo Avagrado 1811

Jean Perrin 1926

Nobel Prize

Awarding of a Nobel Prize