Oxygen Has a Molar Mass of 32 G/mol

Multiple Choice

Oxygen has a molar mass of 32 g/mol.If 12 moles of oxygen are in a 0.1-m³ container with an rms speed of 480 m/s, what is the pressure of the gas?

A) 2.9 x 10⁵ Pa
B) 2.1 x 10⁶ Pa
C) 3.4 x 10⁷ Pa
D) 2.9 x 10⁸ Pa
E) 2.1 x 10⁹ Pa