SI for Chemists: Persistent Problems, Solid Solutions. SI Basic Units: The Kilogram and the Mole

Paul J. Karol
Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA 15213
J. Chem. Educ., 2004, 81 (6), p 800
DOI: 10.1021/ed081p800.1
Publication Date (Web): June 1, 2004

Abstract

The persistently perceived problem with the base units kilogram and mole is resolvable once it is recognized that we have been using a double standard: the international platinum–iridium kilogram prototype and 12C.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Chemoinformatics

Keywords (Feature):

Letters

Keywords (Subject):

Nomenclature / Units / Symbols

Citing Articles

View all 4 citing articles

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This article has been cited by 4 ACS Journal articles (4 most recent appear below).

  • Cover Image

    The Atomic Mass Unit, the Avogadro Constant, and the Mole: A Way To Understanding

    Andrzej Barański
    Journal of Chemical Education2012 89 (1), 97-102
    • The Atomic Mass Unit, the Avogadro Constant, and the Mole: A Way To Understanding

      Andrzej Barański
      Journal of Chemical Education2012 89 (1), 97-102

      Numerous articles have been published that address problems encountered in teaching basic concepts of chemistry such as the atomic mass unit, Avogadro’s number, and the mole. The origin of these problems is found in the concept definitions. If these ...

  • Cover Image

    Editor's Note

    John W. Moore
    Journal of Chemical Education2005 82 (2), 212
    • Editor's Note

      John W. Moore
      Journal of Chemical Education2005 82 (2), 212

      Karol concludes that “it is not for any author to tell this Journal what it may or may not undertake”, which is correct.

  • Cover Image

    The Kilogram and the Mole Redux

    Paul J. Karol
    Journal of Chemical Education2005 82 (2), 212
    • The Kilogram and the Mole Redux

      Paul J. Karol
      Journal of Chemical Education2005 82 (2), 212

      Freeman’s reply to my letter on the kilogram and the mole misses the point, perhaps because I was not sufficiently clear.

  • Cover Image

    SI for Chemists: Another Position

    Tomislav Cvitas
    Journal of Chemical Education2004 81 (6), 801
    • SI for Chemists: Another Position

      Tomislav Cvitas
      Journal of Chemical Education2004 81 (6), 801

      This author disagrees with two commentaries made regarding the base units kilogram and mole.

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History

  • Received: August 03, 2009

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