Which of the Following Expressions Is the Correct Equilibrium-Constant Expression

question 42

Multiple Choice

Which of the following expressions is the correct equilibrium-constant expression for the reaction below?
2SO₂ (g) + O₂ (g) 2SO₃ (g)

• A)[SO₃] / [SO₂][O₂]
• B)[SO₂] / [SO₃]
• C)[SO₃]² / [SO₂]²[O₂]
• D)[SO₃]² / [SO₂]²[O₂]²
• E)[SO₃] / [SO₂][O₂]²

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