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Vapour pressure of water is 360 mm Hg, h...

Vapour pressure of water is 360 mm Hg, how much urea should be added to 200 mL water to reduce its vapour pressure by 0.5% (Molecular wt. of urea =60)`(100)/(3)g)`

Text Solution

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The correct Answer is:
3.33 g
`(0.005p_(A)^(@))/(p_(A)^(@))=((x)/(60))/((x)/(60)+(200)/(18))`
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