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

Question 46

Multiple Choice

An equilibrium mixture of CO,O2 and CO2 at a certain temperature contains 0.0010 M CO2 and 0.0020 M O2.At this temperature,Kc equals 1.4 × 102 for the reaction: 2 CO(g) + O2(g) ⇌ 2 CO2(g) .
What is the equilibrium concentration of CO?


A) 3.6 × 10-6 M
B) 1.9 × 10-3 M
C) 7.0 × 10-2 M
D) 2.6 × 10-1 M

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