Consider the binary system water $($a$)/$phenol $($b$).$

a$)$ Create a Pxy diagram for the system at $100$ assuming an ideal solution. The saturation pressure of

phenol at $100$ is $0\mathrm{.}055$ bar.

b$)$ Create another Pxy diagram for the system at $100$ assuming the system is described by the van Laar

model, where A$/$RT$=0\mathrm{.}83$ and B$/$RT$=3\mathrm{.}22.$