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4 cards from this section. Quick, good the night before a test.
Calculate the mole fraction of oxygen in a mixture of 1 mole of oxygen and 2 moles of nitrogen.
Think about the total number of moles in the mixture.
What does a mole fraction of 0.5 represent?
Consider what fractions mean in terms of parts of a whole.
What is a mole fraction?
Use the formula for mole fraction as a guide.
True or False: The iterative method is unnecessary if all equations defining the system can be solved directly.
Consider scenarios in chemical kinetics.
For a combustion reaction, the equilibrium concentrations of CO and CO2 were measured to be 0.5 and 0.2 moles per liter respectively. If the total pressure is 2 atm, calculate the mole fractions of each gas.
Use the total concentrations to find total moles before calculating mole fractions.
Describe the steps you would take to iteratively solve for mole fractions in a system where Kp equals 0.8, and you have initial concentrations.
Consider how each mole fraction will push or pull the others during iteration.
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