A mixture of propane and n$-$hexane at $43\mathrm{.}5$ psi is to be separated.

a$)$ Generate xy$-$plot for propane for this mixture at the given pressure. Use data in the DePriester charts, DDB$,$ or any other source.

b$)$ If $40\%$ of the $30$ mol$\%$ feed is vaporized, what are the liquid and vapor mole fractions. Also, what is the drum temperature?