Answer to Question #280058 in Inorganic Chemistry for Retta

Inorganic Chemistry

Question #280058

Assuming a total pressure of 9.5 atm, what is the partial pressure of each component in the mixture of 98% helium and 2.0% oxygen breathed by deep sea divers? How does the partial pressure of oxygen in diving gas compare with its partial pressure in normal air?

Expert's answer

Mass of oxygen m
O
2
=
2.0
g
mO2=2.0 g
Mass of helium, m
H
e
=
98.0
g
mHe=98.0 g
Total pressure, {eq}\rm P_t = 0.2125atm

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