The First-Order Reaction a B, Has K

question 105

Multiple Choice

The first-order reaction A B, has k  5.67 s^1. If [A]₀  0.500 M, how long will it take to reach [A]  0.124 M ?

• A)0.122 s
• B)0.100 s
• C)8.18 s
• D)0.246 s
• E)0.488 s

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