Q:

Given that 20 % of the air at the normal pressure of 100 kPa is oxygen, then what is the partial pressure of oxygen?

waelhammad
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2022-10-18
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Given that 20 % of the air at the normal pressure of 100 kPa is oxygen, then what is the partial pressure of oxygen?

  1. 0.2 kPa
  2. 2.0 kPa
  3. 20 kPa
  4. 80 kPa
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waelhammad
2022-10-18
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C: The partial pressure of oxygen is proportional to its percent concentration in the mixture of gases. 20 % of 100 kPa = 20 kPa.

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