In the Coal-Gasification Process,carbon Monoxide Reacts with Water to Produce

Multiple Choice

In the coal-gasification process,carbon monoxide reacts with water to produce carbon dioxide and hydrogen gas.In an experiment,0.35 mol of CO and 0.40 mol of H₂O were placed in a 1.00-L reaction vessel.At equilibrium,there were 0.22 mol of CO remaining.K_eq at the temperature of the experiment is ________.

A) 5.5
B) 0.28
C) 0.75
D) 3.5
E) 1.0