Evaporation and Drying

Ambient air at $25^\circ\text{C}$ dry bulb temperature with humidity ratio $W_1 = 0.0120\text{ kg water / kg dry air}$ is sensibly heated in a grain dryer air heater to $65^\circ\text{C}$. The hot air then passes through a moist grain bed, undergoing an adiabatic drying process and leaving the bed at $35^\circ\text{C}$. The specific enthalpy of moist air is given by $h = 1.005 T + W (2501 + 1.88 T)\text{ kJ/kg dry air}$. Assuming an adiabatic saturation path ($h_{\text{exit}} = h_{\text{heater}}$), the moisture removed from the grain per kg of dry air is ________ $\text{g water / kg dry air}$ (round off to two decimal places).