Don't used Ai solution and hand raiting 5.6.Using the following pair of adjacent molecular ion peaks on the electrospray massspectrum of immunoglobulin, calculate the molecular weight of immunoglobulin:2678.323 and 2727.906 (Assume that each molecular ion differs only by the addition ofa proton).Using the following pair of adjacent isotopic peaks obtained on a high resolution massspectrum of aprotin, calculate the molecular weight of aprotin:931.30 and 931.15 (assume that each peak corresponds to an additional 13C atombeing incorporated into the molecule).

1. Molecular Weight of Immunoglobulin from Electrospray Mass Spectrum PeaksGiven peaks:m/z1 =…

Answered: 5. 6. Using the following pair of…

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter14: Mass Spectrometry

Section: Chapter Questions

Problem 14.37P

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Which fragment correlates to the base peak of the following mass spectrum? 100 80 20 10 20 30 40 50 60 70 80 90 m/z Relative Intensity
Q.1. Predict the relative intensity of the M, M+1, and M+2 peaks for a low resolution mass spectrum of a compound with molecular formula, C6H13Br. The natural abundances of the select isotopes are given below. 35 Cl: 75.8% 79Br: 50.5% 12C: 98.89% 37Cl: 24.2% (The ratio is almost 3:1) 81Br: 49.5% (The ratio is almost 1:1) 13C: 1.11%
Mass spectroscopic. What is the isotopic peak pattern of each : Organic compound with 2 bromine atoms. Organic compound with 2 chlorine atoms.
3
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Dr. Waybell designs a study to investigate whether the dose of melatonin taken before bed impacts people's moods. Dr. Waybell rejects Ho and computes 7²=0.05. She has made a Type Il error. O Dr. Waybell retain reject Ho and computes n=0.005. She has made a Type Il error. O Dr. Waybell rejects Ho and computes 7=0.005. She has made a Type Il error. Dr. Waybell retain reject Ho and computes n=0.05. She has made a Type Il error.
10
On each mass spectrum above, indicate the base peak and the molecular ion peak (or at least where you would expect to find it) and if the base peak on the mass spectrum for linalool has m/z 71, propose a structure for this fragment ion.
(e) Fragment ion at m/z 58 (base peak). (f) Fragment ion at m/z 120 (base peak). (g) Fragment ions at m/z 100 (base peak), 91, 72, and 44, NH₂
Which one of the following compounds is consistent with the mass spectrum below? 100 80 Relative Intensity ő 20- B SDBS: 0-fttm MS-NU-0502 10 20 30 A) (CH3CH₂CH2)2CH C) (CH³CH₂CH₂)2O 40 CH3CH₂CHOHCH₂CH₂CH3 D (CH3CH₂CH₂)2NH 50 60 m/z 70 80 90 100 110
Which conclusion can you draw from the presence of the cluster from m/z=146-150? please give a long explanation
(a) Based on the mass spectrum shown below, 100 73 LOH 80 - A 58 20 - 100 10 20 30 40 50 60 70 80 90 100 110 m/z (i) identify the molecular ion peak of compound A. (ii) explain how the labelled fragments are formed. Relative Intensity

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