Avogadro constant: Difference between revisions
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The '''Avogadro constant''' (<math> N_A</math>) in [http://physics.nist.gov/cuu/Units/ Le Système international d'unités] is given by: | The '''Avogadro constant''' (<math> N_A</math>) in [http://physics.nist.gov/cuu/Units/ Le Système international d'unités] is given by: | ||
:N<sub>A</sub> = 6. | :N<sub>A</sub> = 6.02214179(30) x 10<sup>23</sup> mol<sup>-1</sup> | ||
It is named after Lorenzo Romano Amedeo Carlo Avogadro by Jean Perrin in 1909 (Ref. 3). | It is named after Lorenzo Romano Amedeo Carlo Avogadro by Jean Perrin in 1909 (Ref. 3). | ||
Revision as of 18:01, 15 February 2008
The Avogadro constant () in Le Système international d'unités is given by:
- NA = 6.02214179(30) x 1023 mol-1
It is named after Lorenzo Romano Amedeo Carlo Avogadro by Jean Perrin in 1909 (Ref. 3).
References
- CODATA
- G. Mana and G. Zosi "The Avogadro constant", La Rivista del Nuovo Cimento 18 pp. 1-23 (1995)
- Jean Perrin "Mouvement brownien et réalité moléculaire", Annales de Chimie et de Physique 19 (8e série) pp. 5-104 (1909) Page images on Gallica