How to Find the Mole Fraction of a Gas 

We'll go over two different mole fraction examples. One example on how to find the mole fraction when given the mass and the second example on how to find the mole fraction of a gas when given the partial pressure and total pressure. This video will make the concept of Dalton's law of partial pressures so much easier to understand and get you ready for your next Chemistry exam on gas laws.
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