Q.
The vapour pressure of pure water at 75oC is 296 torr the vapour pressure lowering due to 0.1 m solute is
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a
0.533 torr
b
0.296 torr
c
0.333 torr
d
0.428 torr
answer is A.
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Detailed Solution
ΔP296=0.10.1+100018,where 100018=number of moles of water ∴ΔP=0.533 torr
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