4. Draw a possible molecule for each formula.based on Formula 15. Which structure do you think is correct?based on Formula 2based on Formula 3 1. What do you suppose is the molecular weight of the molecule that gives the mass spectrum below?Rel Abund27M.265545100T80-60-40-20-0m/z010Rel Abund Relative AbundanceFormula 1:20Formula 2:Formula 3:303. What is the base peak?40 50607270m/z= mass divided by charge2. Provide three different molecular formulas (organic molecules, please) that are possible for a molecule with themolecular weight you have chosen. What are the degrees of unsaturation (SODAR) for each?Degrees of unsaturation:Degrees of unsaturation:Degrees of unsaturation:8090100What mass is lost from the molecular ion to get to the base peak?

Note: “Since you have posted multiple questions , we will provide the solution only to the first…

1. What do you suppose is the molecular weight of the molecule that gives the mass spectrum below? Rel Abund 100 80- 60- 40- 20- 0. m/z0 10 20 26 Rel Abund = Relative Abundance 27 30 45 40 50 55 m/z = mass divided by charge 60 72 70 80 90 100

1. What do you suppose is the molecular weight of the molecule that gives the mass spectrum below? Rel Abund 100 80- 60- 40- 20- 0. m/z0 10 20 26 Rel Abund = Relative Abundance 27 30 45 40 50 55 m/z = mass divided by charge 60 72 70 80 90 100

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter2: Lewis Structures

Section: Chapter Questions

Problem 12E

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Concept explainers

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.

Question

4. Draw a possible molecule for each formula.
based on Formula 1
5. Which structure do you think is correct?
based on Formula 2
based on Formula 3

1. What do you suppose is the molecular weight of the molecule that gives the mass spectrum below?
Rel Abund
27
M.
26
55
45
100T
80-
60-
40-
20-
0
m/z0
10
Rel Abund Relative Abundance
Formula 1:
20
Formula 2:
Formula 3:
30
3. What is the base peak?
40 50
60
72
70
m/z= mass divided by charge
2. Provide three different molecular formulas (organic molecules, please) that are possible for a molecule with the
molecular weight you have chosen. What are the degrees of unsaturation (SODAR) for each?
Degrees of unsaturation:
Degrees of unsaturation:
Degrees of unsaturation:
80
90
100
What mass is lost from the molecular ion to get to the base peak?

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