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Experiment 4 discussion

Experiment 4 discussion - William(Jake Smith Chem 111 016...

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William (Jake) Smith Chem 111 016 Fariba Karimi Kasey Rocazella 10-17-11 Introduction Goal of Lab Students learn how to create aspirin Use and understand how to do different, cheap filtration methods Learn how to identify the limiting reactant, theoretical yield, actual yield, and percent yield Students learn how to properly use chemicals and lab instruments in a lab setting Procedure The procedure can be found in the online lab manual. (Soult, pgs. 64-66) Aspirin Synthesis The chemical acetylsalicylic acid is better known as aspirin. Acetic anhydride in the presence of phosphoric acid and salicycylic acid react together to synthesize aspirin. In the chemical reaction, the catalyst is phosphoric acid. The resulting chemical equation is (CH 3 CO) 2 O + HOC 6 H 4 COOH -> CH 3 CO 2 C 6 H 4 CO 2 H In the experiment 3.0001 ml of acetic anhydride combined with 2.0024 grams of salicylic acid. The acetic anhydride produced 5.7309 grams of aspirin. Salicylic acid synthesized 2.6117 grams of
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