At a Given Temperature, the Equilibrium Constant K for the Reaction

question 6

Multiple Choice

At a given temperature, the equilibrium constant K for the reaction
2SO₂(g) + O₂(g)
2SO₃(g)
Is 3.0 × 10⁹. If 2.64 mol of SO₂ and 2.98 mol of O₂ are placed in a 1.77-L container and allowed to react to equilibrium at this temperature, what is the concentration of SO₃ at equilibrium?

• A) 1.49 M
• B) 0.192 M
• C) 2.98 M
• D) 3.18 M
• E) 1.68M

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