A Mixture of Oxygen and Helium Is 92

question 80

Multiple Choice

A mixture of oxygen and helium is 92.3% by mass oxygen .What is the partial pressure of oxygen if atmospheric pressure is 745 Torr?

• A) 412 Torr
• B) 446 Torr
• C) 688 Torr
• D) 333 Torr
• E) 299 Torr

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Definitions:

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