Answer Happy

NUMBER 8 PLEASE ANSWER IT ASAP AND WITH COMPLETESOLUTION!!!
Moist air undergoes a heating and humidification process at a pressure of 101.325 kPa from an initial state of 15°C db and 80% relative humidity to a final state at 22ºC and 60% relative humidity. If the mass flow rate of the air at the initial state is 27.7 kg da/s, what is the increase in the water content of the air? Express your answer in kg/s. In your written solution, draw the process in the psychrometric chart, show the initial and final state and the values obtained from the chart.