Experiment 20 - Experiment 20 pH Titration Curves Jacob...

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Experiment 20: pH Titration Curves Jacob Roll 5/2/07 Wednesday Yaofang Zhang
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PURPOSE The purpose of this experiment was to develop a titration curve from doing titrations of many different acids and bases. The shapes of these titration curves help uncover much information regarding to the acid or base which was used. In this experiment, we used the titration curves to find the equivalent point pH for every reaction, and the pK a for the titration curves using weak acids or bases. In Chemistry 103 lecture, titrations have been studied vigorously, as well as the titration curves for these. For these titrations, MeasureNet was used in order to graph the pH vs. Volume curves, recording the volume with a drop counter. PROCEDURE The procedure followed for this experiment can be found in the lab manual: Sprague, Alexander, Padolik, Steffel, Laboratory Experiments for First Year Chemistry, 5 th ed. pp. 20-2 to 20-5. Rather than saving the tables to MeasureNet and reprinting afterwards, the titration curves were printed out in class. RESULTS
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Experiment 20 - Experiment 20 pH Titration Curves Jacob...

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