Mole (unit)

Mole (unit)

The Mole (symbol: mol) is a unit of measurement used in Chemistry to express amounts of a chemical substance. It is one of the base units in the International System of Units, and has the unit symbol mol.

Pronunciation

Mole is pronounced as /moʊl/.

Etymology

The term "mole" was first used in a textbook by Fritz Haber and Max Born in 1905. It is derived from the Latin word "moles" which means a 'massive heap' or 'pile'.

Definition

The mole is defined as exactly 6.02214076×10²³ elementary entities. This number is known as Avogadro's number, named after the Italian scientist Amedeo Avogadro.

Related Terms

• Avogadro's number
• Molar mass
• Molar volume
• Molar concentration
• Molar energy
• Molar entropy
• Molar heat capacity

See Also

• International System of Units
• Chemistry
• Fritz Haber
• Amedeo Avogadro

External links

• Medical encyclopedia article on Mole (unit)
• Wikipedia's article - Mole (unit)

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