4. A 250 mL sample of oxygen gas is collected by water displacement. As a result, the oxygen is saturated with water vapor. The partial pressure of water vapor at the prevailing temperature is 22 torr. Calculate the partial pressure of the oxygen if the total pressure of the sample is 720 torr.
Answers: 3
=total pressure of gases = 720 torr
= partial pressure of 
= ?
= partial pressure of 
= 22 torr
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4. A 250 mL sample of oxygen gas is collected by water displacement. As a result, the oxygen is satu...
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