Answer :

Given


Temperature T = 25=298K


Relative humidity =60%


Initial pressure of room=104kPa=1.04Pa


Saturation vapor pressure=3.2kPa=3.2Pa


Formula for relative humidity is given as



Where both actual vapor pressure and saturation vapor pressure are at same temperature.


So,




Therefore, actual vapor pressure of water vapor=0.6 saturation vapor pressure


Vapor pressure of water vapor=0.63.2103=1.92103Pa


If all the water vapor is removed, then new pressure =pressure of room -pressure due to water vapours


=1.04105-1.92105


= 1.02105Pa


If all the water vapour is removed from the room without changing the temperature, the new pressure will be 102kPa.


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