Use a psychrometric chart to determine the absolute humidity (kg H20/kg dry air) at the specified dry-bulb temperatures and relative humidities; then calculate the corresponding mole fraction of water. You may take the MW of dry air to be 29 g/mol and that of water to be 18 g/mol. T(C) Relative Humidity Absolute Humidity % (kg H20/kg Dry Air) Mole Fraction H20 20 60 50 10 Save for Later Attempts: 0 of 1 used Submit