Respuesta :
Oxygen gas has a partial pressure of 443 torr. He (Helium gas) has a partial pressure of 159 torr. The sample combination has a 1.10 L volume.
How can you determine a gas mixture's partial pressure?
Partial pressures can be calculated in one of two ways: 1) To determine the individual pressure of each gas in a mixture, use PV = nRT. 2) Determine the proportion of pressure from the total pressure that may be assigned to each individual gas by using the mole fraction of each gas.
What is the mixture's overall pressure?
The partial pressures of the various gases are added to determine the total pressure of a gas combination.
Total pressure = 215+ 102+117= 443 torr, or 0.443 atm.
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