Cyclopropane Is Converted to Propene in a First-Order Process

question 21

Multiple Choice

Cyclopropane is converted to propene in a first-order process. The rate constant is 5.4 × 10^-2 hr^-1. If the initial concentration of cyclopropane is 0.150 M, what will its concentration be after 22.0 hours?

• A) 0.0457 M
• B) 0.105 M
• C) 0.127 M
• D) 0.492 M
• E) None of these choices are correct.

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