Molar Volume of a Gas

# Molar Volume of a Gas - Molar Volume of a Gas Purpose In...

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Molar Volume of a Gas Purpose: In this lab we’ll learn how to read a barometer, calibrate a buret for use as an eudiometer, collect gases displacing water, the stoichiometric calculation of reactions involving gases and determine the molar volume of a gas at standard temperature and pressure. Introduction: The volume occupied by a fixed quantity of gas depends on the temperature and pressure of the gas. At STP, 1 mole of gas occupies 22.4 liters, which is the molar volume of gas. In a mixture of gases, each component exerts of a certain amount of pressure. This pressure is called the partial pressure. When a confined gas generated is in contract with water, the gas becomes saturated with water vapor, producing a wet gas. The partial pressure of water vapor depends only on the temperature and can be found in a table posted on the bulletin board in the lab. The total pressure is the sum of all the partial pressures. This is known as Dalton’s Law of Partial Pressures. Magnesium will be the limiting reagent and hydrochloric acid will be the

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Molar Volume of a Gas - Molar Volume of a Gas Purpose In...

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