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Avogadro constant
One of the best known examples of a large number in science. It is named after the Italian chemist Amedeo Avogadro and is defined as the number of carbon atoms in 12 grams of pure carbon, or, more generally as the number of atoms of n grams in an element with atomic weight n (see relative atomic mass). It has the value 6.02214199 × 1023. Avagadro's constant is both the ratio of the universal gas constant to the Boltzmann constant and of Faraday's constant to the charge of the electron.
Related categories
• PHYSICAL CHEMISTRY
• NOTABLE NUMBERS
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