Consider the Following Reaction and Its Corresponding Equilibrium Constant at 1200

question 110

Multiple Choice

Consider the following reaction and its corresponding equilibrium constant at 1200 K:
CH₄ (g) + H₂ O (g) CO (g) + 3 H₂ (g) K c = 0.26 (at 1200 K) At equilibrium, CH₄ eq = 0.13 M, CO eq = 0.81 M and H₂ eq = 0.28 M.
What is the concentration of H₂ O at equilibrium?

• A) [H₂O] = 0.0356 M
• B) [H₂O] = 0.526 M
• C) [H₂O] = 1.89 M
• D) [H₂O] = 6.71 M
• E) [H₂O] = 15.7 M

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