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CGP EDU Academic Team
Published on: August 21, 2026
In water saturated air, the mole fraction of water vapour is 0.02. If the total pressure of the saturated air is 1.2 atm, the partial pressure of dry air is
Text Solution
Verified by ExpertsThe correct answer is:
Mole fraction of water vapour = 0,02
Mole fraction of dry air = 1 – 0.02 = 0,98
Total pressure of saturated air = 1.2 atm
Using Dalton's law of partial pressure,
PX Dry air =P Total X Dry ari = 1.2 x 0.98
= 1.176 atm
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