50 litre of dry N_(2) is passed through 36g of H_(2)O" at "27^(@)C. After passage of gas, there is a loss of 1.20g in water. Calculate vapour pressure of water.

50 litre of dry N_(2) is passed through 36g of H_(2)O" at "27^(@)C. Af

1.	50 litre of dry N_(2) is passed through 36g of H_(2)O" at "27^(@)C. After passage of gas, there is a loss of 1.20g in water. Calculate vapour pressure of water.
Answer» <html><body><p></p>Solution :The <a href="https://interviewquestions.tuteehub.com/tag/water-1449333" style="font-weight:bold;" target="_blank" title="Click to know more about WATER">WATER</a> vapours occupies the volume of `N_(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)` gas i.e. 50 litre <br/> For `H_(2)O` vapour V=50 litre, w=1.20g, T=300 K, `m=18g <a href="https://interviewquestions.tuteehub.com/tag/mol-1100196" style="font-weight:bold;" target="_blank" title="Click to know more about MOL">MOL</a>^(-1)` <br/> `PV=w"/"mRT" or "Pxx50=1.2"/"18xx0.0821xx300` <br/> `:. P=0.03284 <a href="https://interviewquestions.tuteehub.com/tag/atm-364409" style="font-weight:bold;" target="_blank" title="Click to know more about ATM">ATM</a> =24.95 mm`.</body></html>