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General Chemistry

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Moderate

Dalton's Law: Gas Partial Pressure from Total Pressure and Moles

CHEM-I$UXS3

What is the partial pressure of helium gas in a closed system containing 0.775 moles of helium gas, 1.12 moles of methane gas, and 0.592 moles of hydrogen gas?

The system containing the three gases has a total pressure of 1.50 atm.

A

1.16 atm

B

0.680 atm

C

4.065 atm

D

0.468 atm