A packed countercurrent water-cooling tower is being used to cool a water stream from TL = 43.3C to TL2 = 29.4C. The water stream flows at rate of L = 1.356 kg water/s.m and the gas stream flowrate is G = 1.356 kg dry air/s.m2. The entering air at 29.4C and has a wet bulb temperature of 23.9C. The mass transfer coefficient ka is estimated as 1.207x10-7 kg mol/s.m.Pa and hja/kcaMRP as 4.187*104 J/kg.K. The tower operates at a pressure of 101.3 kPa. Calculate: 1) The height of packed tower 2) Minimum gas flowrate 3) The humidity of the gas stream at the top of the tower 4) Amount of water evaporated