2. a. Fexplain the major theoretical concept that is the basis of this experiment b. Looking at the big picture, give at least one example on how the knowledge gained from the major theoretical concept(s) underlying this experiment could be applicd to another specifie situation. (NO credit for vague answers) 3. List any difficulties or problems that you cocountered with the experiment. 4. Questions: Questions 1. Aspirin on storage at temperatures and in the presence of moisture smells like vinegar. Why is this so? 2. Why is an excess of acetic anhydride used? 3. Explain the role that Conc. H2SO,playn the reaction? 4. Why is the product recrystallized? 5. Why is water added to the alcohol solution of aspirin? 6. What additional step (experiment) you would do to determine whether the product was pure aspirin. Explain what you would observe from your experiment that would verify that the product was pure aspirin