Title Synthesis of AspirinPurpose Understand the concept of organic synthesis by trying aspirin s ... the temperature ofwater to be at 70~85oC. (2) Place 2.5 g of salicylic acid in a 100 mL erlenmeyer ... flask, and add 3 mL of acetic anhydride. (3) Add 3~4 drops of phosphoric acid as catalyst, add a
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