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4_Smith_William(Jake) - William(Jake Smith Chem 111 016...

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William (Jake) Smith Chem 111 016 Fariba Karimi Kasey Rocazella 10-17-11 How to Make Aspirin 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 Creation The purpose of the procedure is to synthesis aspirin. The chemical name for aspirin is acetylsalicylic acid. Acetic anhydride in the presence of phosphoric acid and salicylic acid react together to synthesize aspirin. In the chemical reaction, the catalyst is phosphoric acid. The hypothesized 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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