The Second-Order Decomposition of HI Has a Rate Constant of 1.80

question 56

Multiple Choice

The second-order decomposition of HI has a rate constant of 1.80 × 10^-3 L mol^-1 s^-1. How much HI remains after 27.3 s if the initial concentration of HI is 4.78 mol L^-1?

• A) 4.55 mol L^-1
• B) 0.258 mol L^-1
• C) 3.87 mol L^-1
• D) 2.20 mol L^-1
• E) 2.39 mol L^-1

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