Question

Synthesize ethyl ethanoate from 70g of the ethanoic acid. Calculate theoretical yield and percentage yield of the ethyl ethanoate if actual yield is 30g.

1.Background

2.Reagents/ Apparatus

3.Procedure

4.Applications

5.Precautions

A.Reaction and Mechanism

B.Calculations

C.Observations

D.Conclusion

Answer 1

To make a small ester like ethyl ethanoate, you can gently heat a mixture of ethanoic acid and ethanol in the presence of concentrated sulfuric acid, and distil off the ester as soon as it is formed. This prevents the reverse reaction happening.

Percent Yield =81.37%