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11 Nov 2019
Preparation of Esters and Synthesis of Aspirin Pre-lab Questions 10 points 1. a) What is a catalyst? (I pt) b) What catalyst is used to prepare esters in this experiment? ( pt) 2. When butanol is reacted with propanoic acid, an ester is formed. a) Write the structure for each reactant. (2 pts) b) Write the name AND structure of the ester that is formed. (2 pts) 3. What is the reason for using acetic anhydride instead of acetic acid in the preparation of aspirin? (2 pts) When 0.3295 g of salicylic acid is reacted with excess acetic anhydride, a student finds he has produced 0.3795 g of aspirin. What is this student's percent yield? (2 pts) 4.
Preparation of Esters and Synthesis of Aspirin Pre-lab Questions 10 points 1. a) What is a catalyst? (I pt) b) What catalyst is used to prepare esters in this experiment? ( pt) 2. When butanol is reacted with propanoic acid, an ester is formed. a) Write the structure for each reactant. (2 pts) b) Write the name AND structure of the ester that is formed. (2 pts) 3. What is the reason for using acetic anhydride instead of acetic acid in the preparation of aspirin? (2 pts) When 0.3295 g of salicylic acid is reacted with excess acetic anhydride, a student finds he has produced 0.3795 g of aspirin. What is this student's percent yield? (2 pts) 4.
Trinidad TremblayLv2
11 Nov 2019