Problem 3 Calculate the critical pressure and critical temperature of the below gas natural. Calculate the compressibility factor z at 100F and 3000 psia. Component Mol percent C1 65.5 C2 16.6 C3 8.8 n-C4 3.0 i-C4 1.6 n-C5 0.9 i-C5 0.9 C6 0.5 C7 + 0.2 N2 1.7 H2S 0 CO2 0.3 Total 100.0 MW C7+ 140 Sp Gr C7+ 0.82