Avogadro Sayısı
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Tanım
Bir mol maddedeki tam temel varlık (atom, molekül veya iyon) sayısı: 6,02214076 × 10²³ per mol.
Açıklama
One mole of carbon-12 atoms weighs exactly 12 grams and contains 6.022 × 10²³ atoms. This enormous number bridges atomic-scale masses and laboratory-scale masses: one water molecule has a mass of 2.99 × 10⁻²⁶ kg, but one mole of water (18.015 g) is easily measured on a balance. Since 2019, Avogadro’s number is fixed by definition, making the mole independent of any physical artifact.
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