An Equilibrium Mixture of CO,O₂ and CO₂ at a Certain

question 40

Multiple Choice

An equilibrium mixture of CO,O₂ and CO₂ at a certain temperature contains 0.0010 M CO₂ and 0.0100 M O₂.At this temperature,K_c equals 1.4 × 10² for the reaction:
2 CO(g) + O₂(g) ⇌ 2 CO₂(g) .
What is the equilibrium concentration of CO?

• A)7.1 × 10^-7 M
• B)8.4 × 10^-4 M
• C)1.4 × 10^-2 M
• D)1.2 × 10^-1 M

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