A sample of O(2) gas is collected over w...

A sample of `O_(2)` gas is collected over water at `23^(@)C` at a barometric pressure of 751 mm Hg (vapour pressure of water at `23^(@)C` is 21 mm Hg). The partical pressure of `O_(2)` gas in the sample collected is

21 mm Hg

751 mm Hg

0.96 atm

1.02 atm

Text Solution

Verified by Experts

The correct Answer is:

Pressure of `O_2` (dry) = 751–21 = 730 mm Hg
` = 730/760 = 0.96atm .`

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