x-y diagram for methanol/water at 1 atm 0.8 0.6 Ym (molefraction of methanol in vapour) 0.4 0.2 0.2 0.6 0.8 0.4 Xm (molefraction of methanol in liquid) 3) Calculate the relative volatility of methanol to water, Amw, for a binary mixture at a pressure of 1 atm, with a methanol mole-fraction of 0.9 in the liquid phase, using three methods; Xe tearing vals lowo b) assuming an ideal liquid; c) using the Margules equation for the liquid phase activity coefficients. Compare the results and explain your findings. Data: = = = Antoine coefficients (P in mmHg, Tin K, log to base e): Methanol: A = 18.588, B = 3626.6, C = -34.29 Water: A = 18.304, B = 3816.4, C= -46.13 Ethanol: A = 18.9119, B = 3803.98, C = -41.68 Margules parameters: Methanol-Water: Awm = 0.6174, Amw = 0.7279 Ethanol-Water: Awe = 0.7917, Aew = 1.6366 = =