chemlab2 - Aspirin Synthesis and Analysis Lab Report "I...

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Aspirin Synthesis and Analysis Lab Report “I pledge my honor that I have abided by the Stevens Honor System” _______________________________________________ Gregory Bosch Jr.
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Submission Date: 11/16/2006 Bench Number: F1-8 Student Name: Gregory Bosch Jr. E-mail Adress: [email protected] TA name: Nishanka Abstract The purpose of the experiment was to determine the purity of aspirin within a sample. The calculations revealed, through the experiment, that the purity of the aspirin was approximately 95.4%. The percent yield of the aspirin, which was obtained from the chemical reaction, was 45.9 %. Important Vocabulary Percent Purity Phenololphthalein Salicylic Acid Aspirin Crystallization Re-crystallization NaOH Titration Introduction Aspirin, in its purest form, is an organic ester as well as an organic acid. Aspirin is prepared by reacting salicylic acid with acetic anhydride. It is a pain killer and a fever-reducing drug. Aspirin, like many other organic acids, is a weak monoprotic acid. The purity of an aspirin sample can be determined from its melting point or through an acid-base titration. Materials
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This note was uploaded on 04/08/2008 for the course CHEM 112 taught by Professor Jones during the Fall '07 term at Stevens.

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chemlab2 - Aspirin Synthesis and Analysis Lab Report "I...

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