For the Second-Order Reaction Below,the Initial Concentration of Reactant a Is

question 53

Multiple Choice

For the second-order reaction below,the initial concentration of reactant A is 0.24 M.If the rate constant for the reaction is 1.5 × 10^-2 M^-1s^-1,what is the concentration of A after 265 seconds? 2A → B + C
Rate = k[A]²

• A) 0.12 M
• B) 0.19 M
• C) 0.95 M
• D) 4.0 M
• E) 5.2 M

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