Transcription of Experiment 2: Acid / base titration - Purdue University
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Experiment 2: Acid / base titration - Purdue University
Experiment 2: acid / base titration mM @ 95% confidence levelunknownc= Nikolai Skrynnikov TA: Boone Prentice Section number: 1 25 Jan 2008 (data courtesy of Ike Fehrenbacher, 2004) 1 Introduction This laboratory exercise relies on a titration technique to determine an unknown concentration of monoprotic acid in solution. In the process of titration , a basic solution is gradually added to the acidic solution until complete neutralization is obtained. The end point of the titration is detected with the help of an indicator as color of the solution changes upon neutralization. By measuring the volume of the titrant required to reach the end point , it is possible to relate the concentration of the acid to the concentration of the base.
unknown monoprotic acid solution using the standardized NaOH solution. The two steps, (i) and (ii), are essentially similar. Therefore, only the first step is briefly described below. The neutralization reaction proceeds as follows: NaOH + KHP → Na+ + K+ + P2-+ H 2O Once this reaction is complete, an excess of NaOH starts building up ...
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