Why was an excess of acetic acid used in this synthesis? At approximately what t

Question

Why was an excess of acetic acid used in this synthesis? At approximately what temperature was the solution boiling during the reflux period? Explain why it is possible to separate n-butyl acetate from excess and unreacted acetic acid and n-butyl alcohol. Why is the n-butyl acetate the top layer of the two liquid phases in the separatory funnel? The volume of water and NaHCO_3 solution used to wash the n-butyl acetate was 250mL. Calculate the maximum loss of n-butyl acetate due to its solubility in this volume of water. Write an equation to show how anhydrous MgSO_4, behaves as a drying agent. Name the product. Why can a simple distillation setup be used to distill the n-butyl acetate as prepared in this experiment? Methyl salicylate (oil of wintergreen) is an ester and can be prepared from salicylic acid and methyl alcohol by the same method used in this experiment. Write an equation for this reaction.

Explanation / Answer

3. It is possible because they can be extracted with water using separatory funnel.

4. n - butyl acetate is the top layer in the separatory funnel as the density of n - butyl acetate is lower than that of water.

6. MgSO4 + 7H2O MgSO4•7H2O

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