Definition: | conventional number equal to the numerical value 6,022 140 76 × 1023 of the Avogadro constant expressed in reciprocal mole
Note 1 to entry: The Avogadro number is chosen such that the molar mass of carbon 12 is 0,012 kg/mol with a relative standard uncertainty of 4,5 × 10−10.
Note 2 to entry: Sometimes the synonym “Loschmidt number” is used, denoted by the symbol “L”.
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