The Rate Constant for the Reaction 3A  4B

question 25

Multiple Choice

The rate constant for the reaction 3A  4B is 6.00 × 10^-3 L mol^-1min^-1. How long will it take the concentration of A to drop from 0.75 M to 0.25 M?

• A) 2.2 × 10^-3 min
• B) 5.5 × 10^-3 min
• C) 180 min
• D) 440 min
• E) 5.0 × 10² min

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