For the Decomposition of SO₃(g), Kc = [SO₂]₂[O₂]/[SO₃]₂, at Equilibrium

question 20

Multiple Choice

For the decomposition of SO₃(g) , Kc = [SO₂]₂[O₂]/[SO₃]₂, at equilibrium, there are 0.090 mol SO₂, 0.110 mol O₂, 0.100 mol SO₃ in a 25.0-L container. What is the value of Kc?

• A) 3.6 × 10^-3
• B) 0.040
• C) 2.23
• D) 0.089
• E) 7.89

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