Consider the Second-Order Reaction AA $\rightarrow$ Products (Which Has a First Half-Life of 24 S)

question 55

Multiple Choice

Consider the second-order reaction aA $\rightarrow$ products (which has a first half-life of 24 s) . If the concentration of A after 15.4 s is 0.40 M, determine the initial concentration of A.

• A) 0.66 M
• B) 0.30 M
• C) 0.61 M
• D) 0.15 M
• E) 0.20 M

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