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Avogadro constant

The Avogadro constant indicates how many particles are in a mole. The exact value is

N_A = 6.022 140 76 · 10²³ mol⁻¹

 

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Explanation

 

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History The constant was named by the French chemist Jean Perrin (1870 - 1942) after the Italian physicist Amedeo Avogadro (1776 - 1856).

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