Part of the Smart grid glossary:

The Faraday constant represents the amount of electric charge carried by a one mole , or Avogadro's number, of electron s. It is an important constant in chemistry, physics, and electronics, and is commonly symbolized by the italic uppercase letter F . It is expressed in coulomb s per mole (C/mol).

The Faraday constant can be derived by dividing the Avogadro constant , or the number of electrons per mole, by the number of electrons per coulomb. The former is equal to approximately 6.02 x 10 23 , and the latter is approximately 6.24 x 10 18 . Therefore:

F = (6.02 x 10 23 ) / (6.24 x 10 18 )

= 9.65 x 10 4 C/mol

This is accurate to three significant figures.

Also see Table of Physical Constants .

This was last updated in March 2010
Posted by: Margaret Rouse

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