It is desired to dry 20 kg/min of soap continuously in a countercurrent stream of hot air, the air enters the dryer at the rate of 50.0 m/min at 350 k, 101.3 kpa, and an initial water partial pressure of 3 kpa. the dryer operates at constant temperature and pressure. gas constant - 8.314 kpa. m /kmol k. molecular weight of air 29. water vapor pressure at 350 k is 41.9 kpa. (8 points) i) if the inlet soap contains 25 wt% moisture and the outlet soap contains 5 wt% moisture, determine the rate of water evaporated into the air ii) calculate the mass flow rate of the water in the entering air