Molar Volume Gas - Experiment A9 Molar Volume of a Gas Name...

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Experiment A9 Name __________________________________ Molar Volume of a Gas Period ____ Date _________________________ Introduction . Magnesium is an active metal that readily reacts with hydrochloric acid to produce hydrogen gas. In this experiment, you will react a known amount of magnesium with excess hydrochloric acid and collect and measure the volume of hydrogen gas produced. Using the measured volume, temperature, and pressure of the hydrogen gas you collected, you can use gas laws to find the volume of this sample at STP. The amount of magnesium used in this experiment will allow you to calculate the moles of hydrogen produced and, ultimately, to find the molar volume of hydrogen at STP. Objectives . Determine the volume of hydrogen produced by the reaction of a known mass of magnesium with hydrochloric acid. Compute the volume of the gas at standard temperature and pressure. Relate the volume of gas to the moles of magnesium reacted. Infer the volume of one mole of gas at standard temperature and pressure. Safety . Wear safety goggles and lab aprons. Do not touch chemicals. Call your teacher in the event of a spill Put broken glassware in the appropriate container. Materials . 6 M HCl 50 mL beaker 50 mL eudiometer 400 mL beaker 1000 mL graduated cylinder or hydrometer jar barometer buret clamp magnesium ribbon (untarnished) ring stand fine copper wire rubber stopper, one-hole, #00 thermometer, nonmercury, 0-100 o C Procedure . 1.
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This note was uploaded on 03/06/2011 for the course CHEM 444 taught by Professor Finn during the Spring '11 term at Chapman University .

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Molar Volume Gas - Experiment A9 Molar Volume of a Gas Name...

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