Lab report 12

Lab report 12 - The Ideal Gas Law: Determining Molecular...

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The Ideal Gas Law: Determining Molecular Weight (Lab #12) Jesse LaSalle TA: Guang Li Experiment Completed: January 15, 2008 Report Submitted: January 22, 2008
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I) Purpose : To use the Ideal Gas Law, and observations obtained in the lab in order to determine the molecular weight of a gas, as well as to consider non-ideal behavior of gases. II) Procedure : Casey, J. and R. Tatz (2008). The Ideal Gas Law: Determining Molecular Weight. . General Chemistry Laboratory Experiments , Hayden McNeil. Vol.2: 22-23. III) Data : (See attached report form.) IV) Calculations : P B (atm): = . 746 mmHg x 1atm760mmHg 0 982atm Volume of flask (Trial 1) = = . . / = . V massdensity 276 94g999 7g L 0 2770L Molecular weight (Trial 1) = = . * . * . * . = . MW mRTPV 0 9456g 0 08026 367K0 982atm 0 2771L 102 36amu Average Molecular Weight: . + . + . = . 102 36 96 48 91 113 96 65amu Empirical Formula: = = . . = . mol C g CarbonMW Carbon 12 844512 01 1 07 1 = = . . = . mol H g HydrogenMW Hydrogen 2 15551 01 2 13
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This lab report was uploaded on 02/25/2008 for the course CHEM 122 taught by Professor Zellmer during the Fall '07 term at Ohio State.

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Lab report 12 - The Ideal Gas Law: Determining Molecular...

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