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

question 109

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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