Question

At 298 K, you collect 0.5 L of oxygen over water that has a total pressure of 150 kPa. What is the partial pressure of oxygen. (The partial pressure of water vapor at 298 K is 3.6 kPa).​

Answer 1

Answer;

= 146.4 kPa

Step-by-step explanation;

Dalton's law of partial pressures states that the total pressure of a mixture of gases is equal to the sum of the partial pressures of the component gases.

Total pressure = Pgas 1 +Pgas 2+Pgas 3 + .........

Therefore;

Partial pressure of Oxygen = Total pressure - partial pressure of water vapor

= 150kPa - 3.6 kPa

= 146.4 kPa