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CGP EDU Academic Team
Published on: August 14, 2026
A box contains 
of liquid water in equilibrium with water vapour at 
. The equilibrium vapour pressure of water at 
Torr. When the volume of the box is increased, some of the liquid water evaporates to maintain the equilibrium pressure. If all the liquid water evaporates, then the volume of the box must be litre. [nearest integer] (Given: 
) (Ignore the volume of the liquid water and assume water vapours behave as an ideal gas.)
Text Solution
Verified by ExpertsThe correct answer is:
29
(29)
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