Ayogadro's Number


Ayogadro's Number : (Phys) The number of molecules contained in one mole or gram-molecular weight of a substance, equal to 6. 02252 x 1023 molecules per gram molecular weight. See also: Loschmidt Number. Note: The Avogadro number, origin-ally defined as the number of atoms in 16 grams of oxygen, is now defined as the number of atoms in 12 grams of carbon-12
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