3. Propose a synthesis for the target molecule from the provided starting material. You may use any additional reagent with four carbons or less as required.

Q: please answer 6！ thanks！

A: CH3​COOH⇌CH3​COO−+H+1.2-x                   x                x here x= 10-2.8 Ka= x2/1.2-x  = x2/1.2…

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