'Mole molar mass' diaporamas de présentation

Chapter 9

Chapter 9. The Mole concept and Chemical Formulas. Law of definite proportions. In a pure compound elements are always present in the same definite proportion by mass. Formula Mass.

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What is the Mole? Molar Mass

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The Mole Molar Mass

The Mole Molar Mass. Defining the Mole. Atoms are small so there are a lot of them present in samples we use on our large scale. The number of atoms found in exactly 12 grams of pure carbon-12 has been defined as the number of particles in 1 mole of any substance.

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