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The vapour pressure of water at 20^(@)C ...

The vapour pressure of water at `20^(@)C` is 17.54 mm Hg . What will be the vapour pressure of the water in the apparatus shown after the piston is lowered , decreasing the volume of the gas above the liquid to one half of its initial volume (assume temperature constant)?

A

8.77 mm Hg

B

17.54 mm Hg

C

35.08 mm Hg

D

Between 8.77 and 17.54 mm Hg

Text Solution

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The correct Answer is:
B
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