Chemistry...

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The oxygen gas emitted from an aquatic plant during photosynthesis is collected over water at a temperature of 25 degrees celsius and a total pressure of 762 torr. What is the partial pressure of the oxygen gas?

What formula do I need to use?

  • Chemistry... -

    Total pressure= sum of the partial pressures

    762 torr-water vapor pressure=O2 pressure

    water vapor pressure at 25ÂșC =23.756 torr

    But check the reference value.

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