2000 kg/h of a mixture containing 35% acetic acid and 65% water is fed into the extractor in the opposite direction. Pure Isopropyl Ether (IPE) solvent introduced into the system with a flow rate of 3500 kg/hour. The raffinate composition is staged end (RN) of 5%. Count : a. Raffinate (RN) and extract (E1) composition b. Calculate the composition of the mixture (xM) c. Rafinate Weight (RN) and Extract (E1)