A gas mixture contains each of the following gases at the indicated partial pressures: N2, 201...

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A gas mixture contains each of the following gases at the indicated partial pressures: N2, 201...

A gas mixture contains each of the following gases at the indicated partial pressures: N2, 201 torr ; O2, 155 torr ; and He, 141 torr .A) What is the total pressure of the mixture? B)What mass of each gas is present in a 1.20 −L sample of this mixture at 25.0 ∘C?

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