What Is the Density of Chlorine Gas at 850 Torr $\circ$

Multiple Choice

What is the density of chlorine gas at 850 Torr and -12 ^$\circ$ C?

A) 27.8 g.L^-1
B) 3.70 g.L^-1
C) 3.39 g.L^-1
D) 7.40 g.L^-1
E) 1.85 g.L^-1