A mixture of ideal gases exerts a total pressure of 760 ,torr at a constant temperature

CHEMISTRY · Single correct · AP · Chemistry · Properties of Substances and Mixtures · Properties of Substances and Mixtures

Problem

A mixture of ideal gases exerts a total pressure of 760\,torr at a constant temperature. If the partial pressure of O

_2

in the mixture is 150\,torr, what is the mole fraction of O

_2

? (a)

0.80

(b)

0.15

(c)

0.20

(d)

0.25