Normalised measure of the molecules/atoms count N in a given sample of substance:
(1) | \nu = \frac{N}{N_A} |
where N_A = 6.022140758(62) · 1023 mol−1 is Avogadro constant
Alternative equations:
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It relates to the mass m of a substance and molar mass of a given substance as:
It also relates to the substance volume V and substance molar volume V_m as:
See also