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Avogadro's constant

British  

noun

  1.  L.   NA.  the number of atoms or molecules in a mole of a substance, equal to 6.022 52 × 10 23

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Avogadro’s constant is used to calculate the number of particles in a mole.

From Textbooks • Feb. 13, 2015

Combining the two methods reduced the relative uncertainty in CODATA's Avogadro's constant from ±5.0 × 10−8 to ±4.4 × 10.

From Scientific American • Jul. 27, 2011

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