CHM_256_Worksheet_1_crib

C9h161241253 c8h12o1240889

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Unformatted text preview: ). In addition to the difference in their exact masses, how else could the compounds be differentiated on the mass spectrum? C9H16 = 124.1253 C8H12O = 124.0889 The differences in the M+1 and M+2 abundances would correspond to the presence or absence of isotopes of oxygen. 4. The base peak in the mass spectrum of 2,2,5,5‐tetramethylhexane (mass = 142) is at m/z = 57, which corresponds to a composition of C4H9. Suggest a structure for the fragment that accounts for this peak. Why is it so abundant? Pr...
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This homework help was uploaded on 03/25/2014 for the course CHM 256 taught by Professor Staff during the Spring '08 term at Purdue.

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