# Chemistry

The oxygen gas emitted from an aquatic plant during photosynthesis is collected over water at a temperature of 25 C and a total pressure of 760 torr . what is the partial pressure of the gas?

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1. from the total pressure, I would subtract the water vapor pressure (at 25C) to get the partial pressure of O2.

Partial pressure O2 + watervapor =760torr

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2. how do i know the water vapor pressure at 25C though?

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posted by Zoe
3. okay yeah i got it. thanks its 736 mmhg

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posted by Zoe
4. Gay

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posted by Gay

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