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If the air from the problem above contains 22% oxygen, 75% nitrogen and 3% argon, what is the partial pressure of oxygen near a blast furnace in mmHg?

Sagot :

Assuming the total pressure is 1 atm, the partial pressure of oxygen is 0.22 atm.

What is the partial pressure of oxygen if air contains 22% oxygen, 75% nitrogen and 3% argon?

The partial pressure of a gas in a mixture of gases is calculated using the formula below:

  • Partial pressure of a gas = mole fraction/total pressure

Assuming:

  • the total pressure is 1 atm.
  • mole fraction of oxygen = 22% = 0.22

Partial pressure of oxygen = 0.22/1

Partial pressure of oxygen = 0.22 atm.

Therefore, assuming the total pressure is 1 atm, the partial pressure of oxygen is 0.22 atm.

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