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4_Smith_David(Luke) - David(Luke Smith CHE 111-016 Fariba...

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David (Luke) Smith CHE 111-016 Fariba Karimi 10-17-11 Matt Perry The Production of Aspirin Introduction to making aspirin Goal of Lab Students learn how to synthesize aspirin Learn how to use a different method filtration o Cheap method of filtration Students learn how to find limiting reactant, theoretical yield, actual yield, percent yield, in a lab setting Students learn to use lab instruments and chemicals in a supervised setting Procedure for aspirin production The procedure is in the lab manual. (Soult, pgs. 64-66) Aspirin production discussion Aspirin’s chemical name is acetylsalicylic acid. It is synthesized from the chemical reaction of salicycylic acid and acetic anhydride in the presence of phosphoric acid. Phosphoric acid acts as a catalyst. The chemical reaction 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, there was 2.0055 grams of salicylic acid combined with 2.9 ml of acetic anhydride. The limiting reactant is the salicylic acid as it synthesizes 2.6158 grams of aspirin.
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