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Experiment 3 - Experiment 3 Synthesis of an Alum Taylor...

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Experiment 3: Synthesis of an Alum Taylor MacDonald Partner: Beth McCulloch 10/16/07 Tuesday Section 025 Vikas S.
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Purpose: In this experiment we went through a series of chemical reactions that resulted in a product. The purpose was to better understand how a limiting reactant determines how much product can be formed and to determine the percent yield of the product through the actual yield and the theoretical yield. This relates to our lectures by giving us a real sense of limiting reactants and a real look at theoretical and actual yield, and a chance to actually apply stoichiometry to a sequence of real chemical reactions to determine these things. We had to use many laboratory techniques in this experiment including weighing, gravity and vacuum filtration, as well as crystallization. Experimental Procedure: The procedure followed was that given in the lab manual: Sprague, Alexander, Padolik & Steffel, Laboratory Experiments for First Year Chemistry, 3 rd ed. pp. 3-1 to 3-5, except that when drying out the product we did not use glassine paper, we just let it dry on the filter paper.
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