Partial and total vapor pressures for methanol (Component B) and water (Component C) solution at 40C is given in the Figure 1 below. e) Determine the Henry Constants of methanol and water for their dilute solutions. 1 Calculate the activity _and activity coefficient_of Component B and Component C using Convention I and Convention II, when the solution has a mol fraction of (XB,iquid) 0.40. g) Make comments about the ideality of the solution. 400 350 300 250 200 150 100 50 0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1 Mole fraction of Methanol in liq., Xyeth Fig. Q.I Partial and total vapor pressures for Methanol-Water solutions at 40C Pressure (mmHg)