Preparation of Aspirin and Some Flavoring Esters

Preparation of Aspirin and Some Flavoring Esters -...

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Preparation of Aspirin and Some Flavoring Esters By: David Mulkey 1. For the experiment, the percent yield is the actual mass of the product divided by the theoretical mass of the product, and this answer is multiplied by one hundred. Actual x 100 Theoretical The percent yield acquired during the experiment was 82.32%. Each of the groups had differences in percent yields because of human error. One of the reasons for the differences could come from not weighing exactly one gram of salicylic acid. Another reason could be that each group added different amounts of sulfuric acid to the test tubes. In addition each group allowed the mixture in the test tube to react or sit in the ice baths for different amounts of time. 2. The first test was the ferric chloride test for phenols. During this test the aspirin that was acquired during the experiment was dissolved in five to ten drops of absolute ethanol. Then it was mixed with four milliliters of water and three drops of 1% ferric chloride (Fe
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This note was uploaded on 06/29/2011 for the course CHEMISTRY 115L taught by Professor March during the Spring '10 term at University of Alabama at Birmingham.

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Preparation of Aspirin and Some Flavoring Esters -...

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