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aspirin. Identify the molecular ion peak and base peak based on the mass spectrum of aspirin. 2. Analyze the mass spectrum of aspirin. Identify the structure of the fragment ions for the three tallest peaks.   3. Assign the following M+ peak (molecular formula). Write down the C, H, O atoms (note: separated by a comma).  180 m/z  138 m/z  120 m/z  92 m/z

aspirin. Identify the molecular ion peak and base peak based on the mass spectrum of aspirin. 2. Analyze the mass spectrum of aspirin. Identify the structure of the fragment ions for the three tallest peaks.   3. Assign the following M+ peak (molecular formula). Write down the C, H, O atoms (note: separated by a comma).  180 m/z  138 m/z  120 m/z  92 m/z

Principles of Instrumental Analysis
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter1: Introduction
Section: Chapter Questions
Problem 1.4QAP
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Guide Question: 

1. Draw the molecular structure of aspirin. Identify the molecular ion peak and base peak based on the mass spectrum of aspirin.

2. Analyze the mass spectrum of aspirin. Identify the structure of the fragment ions for the three tallest peaks.  

3. Assign the following M+ peak (molecular formula). Write down the C, H, O atoms (note: separated by a comma). 

  1. 180 m/z 
  2. 138 m/z 
  3. 120 m/z 
  4. 92 m/z 
  5. 64 m/z 
  6. 43 m/z 
Aspirin MASS SPECTRUM 100 80 60 40 20 0.0- 0.0 40 80 120 160 200 m/z NIST Chemistry WebBook (https://webbook.nist.gov/chemistry) Rel. Intensity
Transcribed Image Text:Aspirin MASS SPECTRUM 100 80 60 40 20 0.0- 0.0 40 80 120 160 200 m/z NIST Chemistry WebBook (https://webbook.nist.gov/chemistry) Rel. Intensity
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