. A mixture containing 33 wt% acetic acid, 2 wt% isopropyl ether and 65 wt% water is treated with equal weight of recycled solvent which contains 3 wt% acetic acid in a simple one stage batch extraction.

a) Determine the compositions and mass fraction of the raffinate and extract, xR and yE.

b) Calculate the percent extraction of acetic acid by isopropyl ether