A sample of `O_(2)` gas is collected over water at `23^(@)C` at a barometric pressure of
Channel: Doubtnut
Date: 2021-11-10

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