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. The air at 25 and 100kpa in a 150m^3 room has a relative humidity of 60%. Calculate (a) the humidity ratio, (b) the dew

. The air at 25℃ and 100kpa in a 150m^3 room has a relative humidity of 60%. Calculate (a) the humidity ratio, (b) the dew point, (c) the mass of water vapor in the air, and (d) the mole fraction of the water vapor.

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