We’re being asked to calculate the partial pressure of CH4 in a mixture of Xe and CH4.
Recall that the partial pressure of a gas (PGas) in a mixture is given by:
where χGas = mole fraction of the gas and Ptotal = total pressure of the gas mixture.
The mole fraction of the gas is then given by:
A mixture of 8.1 g CH4 and 8.1 g Xe is placed in a container and the total pressure is found to be 0.45 atm .
Find the partial pressure of CH4.
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