Aspirin Synthesis and Analysis PLQs - PostlabQuestions 1 ? inyouraspirinsample? 2 ,

Aspirin Synthesis and Analysis PLQs - PostlabQuestions 1 ?...

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Aspirin Synthesis and Analysis Post-lab Questions 1.Did the data from your TLC and spectroscopy tests coincide? Was salicylic acid present in your aspirin sample? Is there a reason besides error that could account for this?  2. Using the TLC plate shown to the right, list the compounds in order of increasing  polarity. 3.Discuss how the following instances would affect the results of this synthesis? a. The product was washed with hot water during filtration instead of cold water. b. The aspirin was left out to dry for weeks, resulting in a vinegar-like smell. Write  the reaction responsible for this. 4. We used the concept of limiting reagents in this experiment. a. Why was salicylic acid chosen as the limiting reagent when acetic anhydride is far more dangerous? Discuss several advantages of this choice.
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  • Spring '10
  • Price
  • Chemistry, Salicylic acid, Acetic anhydride, Analysis Post­lab Questions

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