151F2007 Pset8

151F2007 Pset8 - The following GC-MS data were obtained for...

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NAME_________________________________ Recitation Section:________________________ Chem 151 Fall 2007 Problem Set 8 Due at the beginning of your next recitation Instructions: Show work where appropriate. You will be graded based on showing your work (where appropriate), and handing it in at the beginning of recitation. If you will be unable to hand in homework due to an absence at recitation, you must email Meghan ahead of time to let her know and make arrangements. If you turn in a blank homework assignment or fail to turn in an assignment, you will get a 0 for that assignment. You may work together on homework, but if you are caught copying someone else’s answers or work you will get a 0 for that assignment. Repeat copying offenses will result in you being reported to the Academic Integrity Council.
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Unformatted text preview: The following GC-MS data were obtained for some common laboratory solvents. The molecular formula of the solvents is given. Based on the molecular formula and the fractionation patterns observed, deduce a structure for the solvents. ***Remember, the molecular ion is equal to the mass of the solvent. The fractionation patterns result when the molecule decomposes in the GC-MS and are directly related to the structure of the molecule. 1. Molecular formula: C 6 H 6 ; molecular ion = 78 2. Molecular formula: CH 2 Cl 2 ; Molecular ion: 84 3. Molecular formula: C 3 H 6 O; Molecular ion: 58 4. Molecular formula: C 3 H 7 NO; Molecular ion: 73...
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