阿伏加德羅常數

出自維基百科,自由嘅百科全書
跳去: 定向搵嘢

物理化學裡面,阿伏加德羅常數(符號:NA)係一個常數,等於(6.02214129±0.00000027)×1023 mol-1[1][2][3]。佢個名來自意大利化學家阿美迪奧·阿伏伽德羅。阿伏加德羅常數嘅具體定義係:當以 mol-1為單位時,佢嘅數值等於 12 克-12裡面所含嘅碳原子個數。阿伏加德羅常數通常用於代表一摩爾物質所含嘅基本單元(如分子或原子)嘅數量,係聯繫一種粒子嘅摩爾質量同絕對質量嘅比例常數[1][4][5]

睇埋[編輯]

參考[編輯]

  1. 1.0 1.1 Mohr, Peter J.; Taylor, Barry N.; Newell, David B. (2008). "CODATA Recommended Values of the Fundamental Physical Constants: 2006" (PDF). Rev. Mod. Phys. 80: 633–730. Bibcode:2008RvMP...80..633M. doi:10.1103/RevModPhys.80.633.  Cite uses deprecated parameter |coauthors= (詳情)
  2. International Union of Pure and Applied Chemistry Commission on Atomic Weights and Isotopic Abundances, P.; Peiser, H. S. (1992), "Atomic Weight: The Name, Its History, Definition and Units" (PDF), Pure and Applied Chemistry, 64 (10): 1535–43, doi:10.1351/pac199264101535, 喺2006-12-28搵到.  文字"Pure Appl. Chem. "已忽略 (詳情)
  3. International Union of Pure and Applied Chemistry Commission on Quantities and Units in Clinical Chemistry, H. P.; International Federation of Clinical Chemistry Committee on Quantities and Units (1996), "Glossary of Terms in Quantities and Units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)" (PDF), Pure and Applied Chemistry, 68 (4): 957–1000, doi:10.1351/pac199668040957, 喺2006-12-28搵到.  文字"Pure Appl. Chem. "已忽略 (詳情); Cite uses deprecated parameter |coauthors= (詳情)
  4. Avogadro constant
  5. 國際度量衡局 (2006), The International System of Units (SI) (PDF) (第8th版), 第 114–15頁, ISBN 92-822-2213-6