A First-Order Reaction Has a Half-Life of 1

question 11

Multiple Choice

A first-order reaction has a half-life of 1.10 s .If the initial concentration of reactant is 0.384 M,How long will it take for the reactant concentration to reach 0.00100 M?

• A) 9.45 s
• B) 0.106 s
• C) 4.10 s
• D) 1.52 s
• E) 0.244 s

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