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Measuring the Density of a Sugar Solution: A General Chemistry Experiment Using a Student-Prepared Unknown

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Karen I. Peterson

Department of Chemistry, San Diego State University, San Diego, CA 92182-1030

J. Chem. Educ., 2008, 85 (8), p 1089

DOI: 10.1021/ed085p1089

Publication Date (Web): August 1, 2008

Abstract

The experiment developed in this article addresses the concept of equipment calibration for reducing systematic error. It also suggests simple student-prepared sucrose solutions for which accurate densities are known, but not readily available to students. Densities are measured with simple glassware that has been calibrated using the density of water. By careful work, students can determine the density to within 0.5%. This allows accuracy to be a major component of the final grade.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Laboratory Instruction

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Calibration

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This article has been cited by 1 ACS Journal articles (1 most recent appear below).

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- UV–Visible Spectrometers: Versatile Instruments across the Chemistry Curriculum
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  Journal of Chemical Education2012 Article ASAP
  This article describes a wide range of commercially available UV–vis spectrometers, with particular emphasis on educational models, and how this technique can be included in all aspects of the chemistry curriculum. Portable instrumentation and new ...
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