Answer :
Final answer:
To find the partial pressure of oxygen in the air, subtract the given pressures of nitrogen and the combined carbon monoxide and water from the total pressure. The partial pressure of oxygen at 100 kPa is 17.23 kPa, option A.The correct option is (a) 17.23 kPa
Explanation:
The calculation of the partial pressure of oxygen in the air is based on the concept that the total pressure of a gas mixture is equal to the sum of the partial pressures of its components. Given that the partial pressure of nitrogen is 82 kPa, and the partial pressure of carbon monoxide and water combined is 0.77 kPa, the partial pressure of oxygen can be found by subtracting these values from the total pressure (100 kPa):
Total pressure (Patm) = Partial pressure of N₂ (PN₂) + Partial pressure of O₂ (Po₂) + Partial pressures of CO and H₂O
Po₂ = Patm - (PN₂ + Partial pressures of CO and H₂O)
Po₂ = 100 kPa - (82 kPa + 0.77 kPa) = 17.23 kPa
