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A General Simulator for Acid-Base Titrations

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Robert de Levie

Department of Chemistry, Georgetown University, Washington, DC 20057

J. Chem. Educ., 1999, 76 (7), p 987

DOI: 10.1021/ed076p987

Publication Date (Web): July 1, 1999

Section:

History, Education, and Documentation

Abstract

General formal expressions are provided to facilitate the automatic computer calculation of acid-base titration curves of arbitrary mixtures of acids, bases, and salts, without and with activity corrections based on the Davies equation. Explicit relations are also given for the buffer strength of mixtures of acids, bases, and salts.

Keywords (Audience):

Second-Year Undergraduate

Keywords (Domain):

Analytical Chemistry

Keywords (Pedagogy):

Computer-Based Learning

Keywords (Subject):

Acids / Bases

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This article has been cited by 3 ACS Journal articles (3 most recent appear below).

Chemical Speciation Analysis of Sports Drinks by Acid–Base Titrimetry and Ion Chromatography: A Challenging Beverage Formulation Project
Howard Drossman
Journal of Chemical Education2007 84 (1), 124
- Chemical Speciation Analysis of Sports Drinks by Acid–Base Titrimetry and Ion Chromatography: A Challenging Beverage Formulation Project
  Howard Drossman
  Journal of Chemical Education2007 84 (1), 124
  This article describes a three-part laboratory project that integrates a full chemical speciation analysis for use in undergraduate analytical chemistry classes. Laboratory analyses include base standardization, potentiometric or colorimetric titration, ...
  Abstract | Hi-Res PDF | PDF w/ Links
Using a Spreadsheet to Fit Experimental pH Titration Data to a Theoretical Expression: Estimation of Analyte Concentration and Ka
John Burnett and William A. Burns
Journal of Chemical Education2006 83 (8), 1190
- Using a Spreadsheet to Fit Experimental pH Titration Data to a Theoretical Expression: Estimation of Analyte Concentration and Ka
  John Burnett and William A. Burns
  Journal of Chemical Education2006 83 (8), 1190
  A method of determining analyte concentration and Ka by least-squares fitting experimental acid–base pH titration data to a single theoretical expression is presented. The fitting is carried out using the Solver Add-in of the ubiquitous Excel spreadsheet ...
  Abstract | Hi-Res PDF | PDF w/ Links
Unified Approximations: A New Approach for Monoprotic Weak Acid-Base Equilibria
Harry L. Pardue , Ihab N. Odeh and Teweldemedhin M. Tesfai
Journal of Chemical Education2004 81 (9), 1367
- Unified Approximations: A New Approach for Monoprotic Weak Acid-Base Equilibria
  Harry L. Pardue , Ihab N. Odeh and Teweldemedhin M. Tesfai
  Journal of Chemical Education2004 81 (9), 1367
  This article describes a new approach to approximate calculations for monoprotic acid–base equilibria in otherwise pure water. The new approach, identified herein as unified approximations, uses a simple decision criterion to select between situations ...
  Abstract | Hi-Res PDF | PDF w/ Links