Article | REF: K95 V1

Avogadro's number and the mole concept

Author: Mireille DEFRANCESCHI

Publication date: May 10, 2013

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1. Avogadro's constant: a historical perspective

Avogadro's hypothesis concerning gases: "equal volumes of different gases, measured under the same conditions of temperature and pressure, contain the same number of molecules" was stated in 1811 in .

This assumption is mathematically translated by the relation :

Vn=k

where V is the volume of the gas under consideration, n...

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Avogadro's constant: a historical perspective