Synthesis of Aspirin Name 1. Define the following: Antipyretic Lachrymator Which
ID: 591087 • Letter: S
Question
Synthesis of Aspirin Name 1. Define the following: Antipyretic Lachrymator Which compound used in this lab is a lachrymator? Catalyst . Which compound used in this lab is used as a catalyst? 2. List all the functional groups/features that are present in an aspirin molecule 3. Refer to the esterification reaction of aspirin synthesis Which compound acts as an alcohol? Which compound acts as a carboxylic acid? 4. At the end of step 10) of this experiment you are likely to feel a very strong vinegar smel coming from your reaction mixture. What compound will be responsible for it? Which reagent produced this compound? 5. For all the questions below show all your work on the reverse side of this page or on the next page titled "Lab Notes". Calculate the number of moles corresponding to 2.10 g of salicylic acid: Calculate the mass of 4.0 mL of acetic anhydride in grams: Calculate the number of moles corresponding to 4.0 mL of acetic anhydride: How many moles of aspirin do you expect to get if you combine 2.10 g of salicylic acid and 4.0 mL of acetic anhydride: How many grams of aspirin do you expect to get if you combine 2.10 g of salicylic acid and 4.0 mL of acetic anhydride A student combined 2.10 g of salicylic acid and 4.0 mL of acetic anhydride and obtained 1.57 g of aspirin. Calculate the percent yield of this reaction.Explanation / Answer
Ans 1 :
Antipyretic : The drug that reduces fever.
Lachrymator : The substances that irritates the eye and induces tearing.
The compound used in the lab as lachrymator in synthesis of aspirin is Acetic anhydride.
Catalyst : The substance that speeds up the chemical reaction.
Catalyst used in the lab is phosphoric acid.
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