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

question 33

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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