Experiment 5

Experiment 5 - Discussion The experiment was about...

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Discussion The experiment was about determining the molar volume of a gas. Also, the experiment was about discovering how to quantitatively measure the volumes of gases and calculate the molar volume of a gas at standard temperature and pressure using the ideal gas law and Dalton’s law of partial pressures. 2H2O2 (l) (FeCl3 catalyst) à 2H2O (l) + O2 (g) Mg (s) + 2 HCl (aq) à MgCl2 + H2 (g) Part 1 : The volume of gas produced was measured by first setting up an apparatus, which connected a 250-mL Erlenmeyer flask (flask A) to a 500-mL flask (flask B) to a 600-mL beaker (Beaker C). 20-mL of 3% H2O2 solution was poured into the 250-mL flask and 4.5-mL of 3M FeCl3 was poured into a 10 x 75 mm test tube, which was carefully placed, standing, into flask A. Flask B was filled to the neck with tap water and beaker C was filled about one-third full with tap water. Air bubbles were then removed from rubber tube BC, the apparatus was tested for leaks, and the pressures inside and outside flask B were equalized. A trough was then filled half
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This note was uploaded on 09/13/2011 for the course CHEM 1A Lab taught by Professor Staff during the Fall '09 term at UCSB.

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Experiment 5 - Discussion The experiment was about...

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