Sulfur Trioxide Can Undergo Decomposition According to the Equation 2SO₃

question 47

Multiple Choice

Sulfur trioxide can undergo decomposition according to the equation 2SO₃  2SO₂ + O₂
For this reaction, rate = -0 0.5[SO₃]/t = k[SO₃]². If the reaction rate is 1.75 × 10^-7 mol L^-1 min^-1 when the concentration of sulfur trioxide is 5.4 × 10^-3 mol L^-1, what is the value of the rate constant k?

• A) 3.2 × 10^-5 L mol^-1 min^-1
• B) 1.6 × 10^-5 L mol^-1 min^-1
• C) 6.0 × 10^-3 L mol^-1 min^-1
• D) 3.0 × 10^-3 L mol^-1 min^-1
• E) 1.6 × 10^-2 L mol^-1 min^-1

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