Commercial SCUBA divers use tanks filled with a mixture of gases known as Trimix on very long, deep dives. Trimix is composed of

Question

Commercial SCUBA divers use tanks filled with a mixture of gases known as Trimix on very
long, deep dives. Trimix is composed of 70% nitrogen, 10% oxygen, and 20% helium. The
total pressure of Trimix inside a certain tank at the beginning of the dive is 118.4 atm.
Recall that the total pressure of air at sea level is about 1 atm, and that air is 20.9% oxygen.
How does the partial pressure of oxygen in the tank compare to the partial pressure of
oxygen in the air?

Kunduz · Accepted Answer

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