What is the partial pressure of Ar in a container that is at a total pressure of 1.23 atm and contains 2.3 g of Ar and 1.13 g of Ne?

Name: What is the partial pressure of Ar in a container that is at a total pressure of 1.23 atm and contains 2.3 g of Ar and 1.13 g of Ne?
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The partial pressure of a gas is proportional to its mole fraction. Calculate moles of Ar (2.3 g / 39.95 g/mol) and Ne (1.13 g / 20.18 g/mol), find mole fraction of Ar, and multiply by total pressure (1.23 atm).

What Is the Partial Pressure of Ar in a Container