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Steam pressures at 20oC for Heptan(1) and Hegzan (2) are given as 35 mmHg and 120...

Steam pressures at 20oC for Heptan(1) and Hegzan (2) are given as 35 mmHg and 120 mmHg, respectively. Temperature 20oC while 3 mol heptane and 2 mol hegzandan ideal mixture is calculated. Find the composition of the vapor phase as mol fraction and mass fraction

the answer to the question ( y1= 0,3044 and 0,3371 ; y2= 0,695 and 0,6629)
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