The Rate Constant of a First-Order Decomposition Reaction Is 0

question 24

Multiple Choice

The rate constant of a first-order decomposition reaction is 0.0147 s^-1.If the initial concentration of reactant is 0.178 M,what is the concentration of reactant after 30.0 seconds?

• A) 8.72 × 10⁵ M
• B) 0.0645 M
• C) 0.115 M
• D) 0.0785 M
• E) 0.643 M

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