The Reaction 2A + B $\rarr$ Products Is Second Order with Respect to a and Zero-Order

question 128

Multiple Choice

The reaction 2A + B $\rarr$ products is second order with respect to A and zero-order with respect toB. Starting with 0.135 M of A, what is the concentration of A after 35 min if the rate constant is 0.11 M^-1s^-1

• A) 4.0 x 10^-3 M
• B) 4.2 x 10^-3 M
• C) 4.4 x 10^-3 M
• D) 4.6 x 10^-3 M

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