Chemistry - Stoichiometry

Avogadro’s Number

1 mole = 6.022 x 10²³ atoms, molecules, or formula units

Molar Mass of a Compound

The mass of one mole of a substance, usually expressed in grams per mole (g/mol), calculated by summing the atomic masses of all atoms in its chemical formula.

Molar Conversions

• Mole is the central unit

• Use it to convert between moles, particles, and mass

• Between grams and moles, use Molar Mass

• Between particles and moles, use Avogadro’s Number

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