posted by Katie .
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?
Total pressure= sum of the partial pressures
762 torr-water vapor pressure=O2 pressure
water vapor pressure at 25ºC =23.756 torr
But check the reference value.