Plot pressure versus composition, x-y, partial pressure versus composition in liquid phase. And total pressure versus liquid phase composition for acetone and carbon disulfide. Being P° = 380 mmHg for acetone and P° = 450 mmHg for carbon disulfide. Say when we have a mole fraction of 0.5 what is the dew point pressure and what is the bubble point pressure, what is the equilibrium composition and mark it on the diagram.

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