At a Certain Temperature the Reaction CO₂(g) + H₂(g)

question 92

Multiple Choice

At a certain temperature the reaction CO₂(g) + H₂(g) CO(g) + H₂O(g)
Has K_c = 2.50. If 2.00 mol of carbon dioxide and 1.50 mol of hydrogen are placed in a 5.00-L vessel and equilibrium is established, what is the equilibrium concentration of carbon monoxide?

• A) 0.209 M
• B) 1.33 M
• C) 0.267 M
• D) 0.667 M
• E) 0.600 M

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