26. The rate constant for the reaction 3A → 4B is 6.00 x 10³ L mol'min". How long will it take the concentration of A to drop from 0.75 M to 0.25 M? A. 2.2 x 103 min В. С. D. Е. 5.5 x 103 min 180 min...

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Extracted text: 26. The rate constant for the reaction 3A → 4B is 6.00 x 10³ L mol'min". How long will it take the concentration of A to drop from 0.75 M to 0.25 M? A. 2.2 x 103 min В. С. D. Е. 5.5 x 103 min 180 min 440 min 5.0 x 10° min 27. Butadiene, C4H6 (used to make synthetic rubber and latex paints) dimerizes to C&H12 with a rate law of rate = 0.014 L/(mol-s) [C4H6]°. What will be the concentration of C4H6 after 3.0 hours if the initial concentration is 0.025 M? А. В. 0.0052 M 0.024 M С. 43 М D. 190 M E. 0.0000 M 28. The rate law for the reaction 3A → C is Rate = 4.36 x 102 L mol' hr'[A]? What is the half-life for the reaction if the initial concentration of A is 0.250 M? А. В. 0.0109 hr 0.0629 hr С. 15.9 hr D. 23.9 hr Е. 91.7 hr