Nitrogen and Oxygen Gases May React to Form Nitrogen Monoxide

Multiple Choice

Nitrogen and oxygen gases may react to form nitrogen monoxide.At 1500 °C,K_c equals 1.0 × 10−⁵. N₂(g) + O₂(g) 2 NO(g)
If 0.030 mol N₂ and 0.030 mol O₂ are sealed in a 1.0 L flask at 1500 °C,what is the concentration of NO(g) when equilibrium is established?

A) 3.0 × 10−⁷ M
B) 4.7 × 10−⁵ M
C) 9.5 × 10−⁵ M
D) 3.0 × 10−² M
E) 9.1 × 101 M