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Amount of substance and the Mole

Mills, I. and Milton, M. (2009) Amount of substance and the Mole. Chemistry International, 31 (2). ISSN 0193-6484

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The International System of Units, the SI, is built upon seven base quantities and seven base units, as summarized in the table below. Although most of these are familiar to all scientists, the quantity “amount of substance” and its unit “mole” are less familiar and are mainly used by chemists.1 In the chemistry community, the unit “mole” is familiar, but the name of the corresponding quantity “amount of substance” is not so familiar, and the concept is still a source of difficulty for many students. This article reviews and clarifies these two concepts2 and discusses the definition of the unit “mole” and its possible revision.

Item Type:Article
Divisions:Life Sciences > School of Chemistry, Food and Pharmacy
ID Code:7235
Uncontrolled Keywords:mole, substance
Publisher:IUPAC: the International Union of Pure and Applied Chemistry

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