Calculate the Density of Ar in G/L at 20 $\degree$ C and 695 Torr

Calculate the density of Ar in g/L at 20.0 $\degree$ C and 695 torr.

A) 22.41 g/L
B) 1.71 x 10⁴ g/L
C) 1.18 x 10³ g/L
D) 1.52 g/L
E) 8.86 g/L