Related questions

Question

At a certain temperature,Kc equals 1.4 × 10^2 for the reaction: 2 CO(g) + O2(g) ⇌ 2 CO2(g). If a 2.50-L flask contains 0.400 mol of CO2 and 0.100 mol of O2 at equilibrium, how many moles of CO are also present in the flask? A) 0.0114 mol B) 0.107 mol C) 0.422 mol D) 0.169 mol