The K_c for the Reaction CO₂(g) + H₂(g) ⇌ H₂O(g)

question 105

Multiple Choice

The K_c for the reaction CO₂(g) + H₂(g) ⇌ H₂O(g) + CO(g) is 1.6 at about 990ºC. Calculate the number of moles of hydrogen gas in the final equilibrium system obtained by initially adding 1.00 mol of H₂, 2.00 mol of CO₂, 0.750 mol of H₂O, and 1.00 mol of CO to a 5.00 L reactor at 990ºC.

• A) 0.42 mol
• B) 0.62 mol
• C) 0.82 mol
• D) 1.02 mol
• E) None of the above

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