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A Dibasic Acid Titration for the Physical Chemistry Laboratory

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J. T. Clay and E. A. Walters

University of New Mexico, Albuquerque, NM 87131

G. D. Brabson

University of Virginia, Charlottesville, VA 22901

J. Chem. Educ., 1995, 72 (7), p 665

DOI: 10.1021/ed072p665

Publication Date: July 1995

Abstract

A physical chemistry laboratory experiment is described in which both pK, and pK2 are determined for weak dibasic acids with closely spaced acid dissociation constants. The method is acid-base titration. Data are acquired by a computer interfaced to a pH meter, however emphasis on experimental technique is retained by requiring students to manipulate a buret, read it, and manually enter the volumes into the computer. The computer is then used to ease the burden of tedious and repetitious calculations which yield the two pKa values.

Keywords (Audience):

Second-Year Undergraduate

Keywords (Domain):

Physical Chemistry

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Acids / Bases

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

Modern Developments in the Physical Chemistry Laboratory
Samuel A. Abrash
2007 973 (), 115-151
- Modern Developments in the Physical Chemistry Laboratory
  Samuel A. Abrash
  2007 973 (), 115-151
  Developments in the physical chemistry laboratory since the publication of the germinal text by Schwenz and Moore (1) are categorized and reviewed. The categories examined include modern instrumentation, current topics in chemistry, integrated ...
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