The gas stream from a chemical reactor contains 25 mol % ammonia and the rest inert gases. the total flow is 181.4 kg mol/h to an absorption tower at 33 K 1.013*10^5 pa pressure, where water containing 0.005 mol frac ammonia is the scrubbing liquid. the outlet gas concentration is to be 2.0 mol % ammonia.

what is the minimun flow l’min?