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At a temperature of 20^(@)C, vapour pressure of water is 17.5 Torm. If relative humidity is 45% Calculate the moves of water present in one litre of air at 20^(@)C. |
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Answer» SOLUTION :`RH=0.45=(P_(H_(2)O))/(17.5) rArr P_(H_(2)O)=0.45xx17.5=7.88` TORR `=0.0104` atm `PV =NRT rArr n=(PV)/(RT)=(0.0104xx1)/(0.0821xx293)=4.3xx10^(-4)` mol |
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