3.2. A sampleof styrenemonomeris heateduntil it is partially polymerized. In order to determinethe quantity of polymer formed, the solution of polystyrene in unreacted styrene monomer is poured into a large volume of methanol. The polymer precipitates (methanol hasa considerably higher cohesiveenergy density than polystyrene) and is readily dried and weighed. The CED of water is evenhigher than that of methanol. Why is water not usedin place of methanol for precipitating the polymer? Could the quantity of polymer be determined by distilling off the unreacted monomer and weighing the residue? Explain