$1-$Chlorobutane$(1)/$chlorobenzene$(2)$ binary system may be considered ideal.

Calculate the vapour pressures of $1-$Chlorobutane$(1)$ and chlorobenzene$(2)$ at $90$ o

C$.$

A B C

Chlorobenzene C$6$H$5$Cl $13\mathrm{.}86353174\mathrm{.}78211\mathrm{.}7$

$1-$Chlorobutane C$4$H$9$Cl $13\mathrm{.}79652723\mathrm{.}73218\mathrm{.}265$

a$.$ Given x$1=0\mathrm{.}33$ and T $=90$C$,$ find y$1$ and P$.$

b$.$ Given y$1=0\mathrm{.}33$ and T $=90$C$,$ find x$1$ and P$.$

c$.$ Construct a Pxy diagram for a temperature of $90$C for the system $1-$Chlorobutane$(1)/$

chlorobenzene$(2).$ In the graph, state all the phases and saturation curves.

d$.$ Construct a txy diagram for a pressure of $90$ kPa for the system $1-$hlorobutane$(1)$

$/$chlorobenzene$(2).$ In the graph, state all the phases and saturation curves.