Redox (12.5).docx

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UNIVERSITY OF BALAMAND Faculty of Sciences Department of Chemistry Basic Chemistry Laboratory Names: Lara Frangieh ID: A0810408 Anthony Dahdah ID: A0810784 Experiment Title: Redox Potentiometric Titration Experiment Week: Week 10 Date: 10/12/09 Submitted to: Dr. Robin Taleb 1
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Introduction: A titration is a laboratory process for quantitative study. In a titration two reagents are mixed. Every titration has a curve: the curve obtained with a strong acid, weak acid, and a polyprotic acid. The detection of the equivalence point can be done by using a colorimetric indicator or using a pH-meter. Also, the pH-meter could be used to measure the voltage (mV). Moreover, a redox electrode will be used. The aims of the experiment was to plot the curve of mV vs. volume of dichromate added, to determine the equivalence point, and to determine the weight of an unknown sample of FeSO 4 .7 H 2 O . Used equipment: 250 ml beaker 50 ml graduated cylinder Magnetic agitator pH-meter Used chemical: Unknown sample of FeSO 4 .7 H 2 O
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  • Winter '15
  • Amir Alimohammad
  • Chemistry, Department of Chemistry, University of Balamand, basic chemistry laboratory

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