sethane$-92\mathrm{.}67\%$; Ethane$-5\mathrm{.}29\%$; Propane$-1\mathrm{.}38\%$; i$-$Butane$-$ f$0\mathrm{.}18\%$; n$-$Butane$-0\mathrm{.}34\%$; and n$-$Pentane$-$

$0\mathrm{.}14\%.$ Calculate

$($A$)$ Pseudo$-$critical temperature and pressure?

$($B$)$ The gas deviation factor for $($i$)400\backslash$psi g and $80\backslash$deg F and $($ii$)1500$ psig and $200\backslash$deg F;

$($C$)$ The density and specific volume of the gas for each