The Concentration of a Gas Is 3

The concentration of a gas is 3.18 × 10³ ppm at in a container where its partial pressure is 0.591 torr. The total pressure inside the container must be

A) 1.86 × 10^-10
B) 5.38 × 10^-3
C) 1.86 × 10^-4
D) 1.88 × 10³
E) 1.88 × 10⁹