What are Moles?

A mole is a unit of measurement typically used to measure atoms, molecules, ions and other particles. One mole is equal to the Avogadro number (see below).

Click here to read about a mole of moles

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mol

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mole_-1

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symbol for mole

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unit of the Avogadro Constant

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Avogadro's number

6.02214076×10²³

mol−1

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What is Avogadro's Number?

Avogadro's number is the amount of units in one mole of a particular substance. It is equal to approximately 602 sextillion, or 602 billion time 1 trillion. For example, a mole of Sodium contains 6.02214076×10²³ atoms of NA.