Enter the precise mass numbers to the nearest 0.0001 mass unit. Compound A: C4H6O2 Compound B: C4H6S Precise mass of molecular ions: Compound A: Compound B: A laundoncog of Isotones Relati
Enter the precise mass numbers to the nearest 0.0001 mass unit. Compound A: C4H6O2 Compound B: C4H6S Precise mass of molecular ions: Compound A: Compound B: A laundoncog of Isotones Relati
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter3: Stoichiometry
Section: Chapter Questions
Problem 43E: The element europium exists in nature as two isotopes: 151Eu has a mass of 150.9196 u and 153Eu has...
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Question
![[References]
Show how the compounds (A and B) presented below, both having a nominal mass of 86, can be distinguished by the m/z ratio of their molecular ions
in high resolution mass spectrometry. Use Table 14.2 to calculate the precise masses for each molecular ion and enter the corresponding numbers in
the boxes provided below.
Enter the precise mass numbers to the nearest 0.0001 mass unit.
Compound A: C4H6O2
Compound B: C,H6S
Precise mass of molecular ions:
Compound A:
Compound B:
Table 14.2: Precise Masses and Natural Abundances of Isotopes. Relative to 100
Atoms of the Most Abundant Isotope
Element
Atomic Weight Isotope Precise Mass (amu) Relative Abundance
Hydrogen 1.0079
1.00783
100
2H
2.01410
0.016
Carbon
12.011
12 C
12.0000
100
13 C
13.0034
1.11
Nitrogen
14.007
14N
14.0031
100
15 N
15.0001
0.38
160
15.9949
100
Oxygen
15.999
54%
h](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F78d3386d-6d53-402c-988d-2c02b5589a57%2Fab6330b6-c65c-4466-b790-87f7dab5dae7%2Fhdffrh_processed.jpeg&w=3840&q=75)
Transcribed Image Text:[References]
Show how the compounds (A and B) presented below, both having a nominal mass of 86, can be distinguished by the m/z ratio of their molecular ions
in high resolution mass spectrometry. Use Table 14.2 to calculate the precise masses for each molecular ion and enter the corresponding numbers in
the boxes provided below.
Enter the precise mass numbers to the nearest 0.0001 mass unit.
Compound A: C4H6O2
Compound B: C,H6S
Precise mass of molecular ions:
Compound A:
Compound B:
Table 14.2: Precise Masses and Natural Abundances of Isotopes. Relative to 100
Atoms of the Most Abundant Isotope
Element
Atomic Weight Isotope Precise Mass (amu) Relative Abundance
Hydrogen 1.0079
1.00783
100
2H
2.01410
0.016
Carbon
12.011
12 C
12.0000
100
13 C
13.0034
1.11
Nitrogen
14.007
14N
14.0031
100
15 N
15.0001
0.38
160
15.9949
100
Oxygen
15.999
54%
h
![[References]
Table 14.2: Precise Masses and Natural Abundances of Isotopes. Relative to 100
Atoms of the Most Abundant Isotope
Element
Atomic Weight Isotope Precise Mass (amu) Relative Abundance
Hydrogen 1.0079
'H
1.00783
100
2H
2.01410
0.016
Carbon
12.011
12 C
12.0000
100
13 C
13.0034
1.11
Nitrogen
14.007
14N
14.0031
100
15 N
15.0001
0.38
Охygen
15.999
16 0
15.9949
100
17 0
16.9991
0.04
18 O
17.9992
0.20
Sulfur
32.066
32 S
31.9721
100
33 S
32.9715
0.78
34 S
33.9679
4.40
Chlorine
35.453
35 C1
34.9689
100
37 Cl
36.9659
31.98
Bromine
79.904
79 Br
78.918
100
81 Br
80.9163
98.0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F78d3386d-6d53-402c-988d-2c02b5589a57%2Fab6330b6-c65c-4466-b790-87f7dab5dae7%2Fd0b4u3_processed.jpeg&w=3840&q=75)
Transcribed Image Text:[References]
Table 14.2: Precise Masses and Natural Abundances of Isotopes. Relative to 100
Atoms of the Most Abundant Isotope
Element
Atomic Weight Isotope Precise Mass (amu) Relative Abundance
Hydrogen 1.0079
'H
1.00783
100
2H
2.01410
0.016
Carbon
12.011
12 C
12.0000
100
13 C
13.0034
1.11
Nitrogen
14.007
14N
14.0031
100
15 N
15.0001
0.38
Охygen
15.999
16 0
15.9949
100
17 0
16.9991
0.04
18 O
17.9992
0.20
Sulfur
32.066
32 S
31.9721
100
33 S
32.9715
0.78
34 S
33.9679
4.40
Chlorine
35.453
35 C1
34.9689
100
37 Cl
36.9659
31.98
Bromine
79.904
79 Br
78.918
100
81 Br
80.9163
98.0
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