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?2.2 × 10-3 min D) 440 min 5.5×10-3 min E) 5.0×102 min 180 min

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?2.2 × 10-3 min D) 440 min 5.5×10-3 min E) 5.0×102 min 180 min