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Avogadro's number

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Avogadro's number

Number of carbon atoms in 12 g of the carbon-12 isotope (6.022045 × 1023). It is named after Italian chemist Amedeo Avogadro. The relative atomic mass of any element, expressed in grams, contains this number of atoms and is called a mole. For example, one mole of any substance contains 6.022 × 1023 particles. One mole of carbon has a mass of 12 g.



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? Mentioned in ? References in periodicals archive
 
b], the equivalent molar fluorescence can be directly converted to the average MESF units per particle by multiplying by Avogadro's Number and dividing by the number concentration of particles in the measured suspension.
The Development of Fluorescence Intensity Standards by Schwartz, A. / Journal of Research of the National Institute of Standards and Technology
Currently, Avogadro's number is rooted in the exact number of atoms present in 12 grams of the isotope carbon-12.
Bearing down on the kilogram standard by Cowen, Ron / Science News
In classical physics applications, in statistical mechanics--that is, the theory of gases--it can go to three times Avogadro's number, the number of atoms in a gram-mole of an element or compound, Alder says.
Schrodinger goes to Monte Carlo; the 'adaptive Monte Carlo' method ... by Thomsen, Dietrick E. / Science News
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