Interpretation:
The partial pressure of nitrogen, oxygen and argon gas in atmosphere needs to be determined, if the atmospheric pressure is 760 mmHg.
Concept introduction:
In a gas mixture, each gas component exerts some pressure. The sum of all gas pressure values is equal to the total pressure of the mixture. The pressure of each gas component in the gas mixture is called as partial pressure of that gas. The Dalton law of partial pressure of gas can be written as:
Answer to Problem 7PP
Explanation of Solution
Given information :
Mass percent of Nitrogen = 78 %
Mass percent of Oxygen = 21%
Mass percent of Argon = 1 %
Total pressure = 760 mmHg
Mass percent of Nitrogen = 78 %
Mass percent of Oxygen = 21%
Mass percent of Argon = 1 %
Calculate moles of each gas:
Calculate partial pressures of each gas:
Thus,
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