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- Draw the molecular ion (M) for this molecule formed in the mass spectrometer. H IIZ: H -e QWhich of the following formulae is consistent with a molecular ion of m/z 73 in a mass spectrometry experiment? O C3H8N2 O C4H11N O C4H10O O C3H5CIDraw the molecular ion (M+) for this molecule formed in the mass spectrometer. I - e- Drawing :0: ОН Q
- Match the molecular ion (from electron impact mass spectrometry) with the correct compound. (Make sure to consider the isotope pattern if necessary) 1001 50 Br A 121 B 122 B NH 123 123 Mass M/e 124 124 Me C 125 125 OH НО. 126 D CI 127not use ai pleaseSpectroscopy A- Mass Spectrometry (page 529) Molecular ions and Molecular Formulas A.16 What molecular ion is expected for each compound? a. b. d. e. Br CI 4
- Is the compound giving rise to the mass spectrum shown here more likely to contain sulfur, bromine, or chlorine? Explain. 100 80 - 60- 40 20 40 80 120 160 m/z Relative abundance -유Use the isotope method to determine the molecular formulaIn the mass spectrum of an unknown organic compound, the molecular ion had a relative abundance of 19.0 while the M+1 had a relative abundance of 1.5. Estimate the number of carbons in the molecule. 1 4 7 2 LO 5 8 carbons 3 6 9 X C
- In a mass spectrum, what m/z value would correspond to the fragment shown below?Using the rule of 13, what is a possible formula for M=113 (100%) on a mass spectrum? all of the above are possible molecular formulas CH130 CH15NDraw the molecule on the canvas by choosing buttons from the Tools (for bonds and charges), Atoms, and Templates toolbars. (+) 로 .[1] N-H+ OH → A C ⒸH 12D 7 EXP. by L 7 S i ? Marvin JS ChemAxon H C N O S CI Br 1 P