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

2. 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

3. Moles of various substances Notice the quantities are different

4. You need this to calculate moles in Chemistry

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

6. Molarity using a Volumetric Flask

7. Amedeo Avagrado 1811

8. Jean Perrin 1926

9. Nobel Prize

10. Awarding of a Nobel Prize