(a) Interpretation: The formula of a compound that can produce the given mass spectrum is to be determined. Concept introduction: The mass spectrum of a compound is often represented as a bar graph with m/z on the x axis (where m is in atomic mass units, u) and the relative abundance of ions at each m/z on the y axis. The mass of each ion is just the mass of the atoms that make it up. The M + peak of a mass spectrum is taken to be the compound’s molecular mass. From the ratio of the M + and M + 1 peak intensities, the number of carbon atoms is calculated. The masses of the C atoms and the heteroatoms are subtracted from the molecular mass. The remaining mass reasonably is made up by hydrogens. If that number of H atoms is unreasonably high, then consider adding another non-hydrogen atom to the formula.

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Answer 1

Question

Chapter 16, Problem 16.76P

Interpretation Introduction

(a)

Interpretation:

The formula of a compound that can produce the given mass spectrum is to be determined.

Concept introduction:

The mass spectrum of a compound is often represented as a bar graph with m/z on the x axis (where m is in atomic mass units, u) and the relative abundance of ions at each m/z on the y axis. The mass of each ion is just the mass of the atoms that make it up. The M+ peak of a mass spectrum is taken to be the compound’s molecular mass. From the ratio of the M+ and M + 1 peak intensities, the number of carbon atoms is calculated. The masses of the C atoms and the heteroatoms are subtracted from the molecular mass. The remaining mass reasonably is made up by hydrogens. If that number of H atoms is unreasonably high, then consider adding another non-hydrogen atom to the formula.

Interpretation Introduction

(b)

Interpretation:

The formula of a compound that can produce the given mass spectrum is to be determined.

Concept introduction:

The mass spectrum of a compound is often represented as a bar graph with m/z on the x axis (where m is in atomic mass units, u) and the relative abundance of ions at each m/z on the y axis. The mass of each ion is just the mass of the atoms that make it up. The M+ peak of a mass spectrum is taken to be the compound’s molecular mass. From the ratio of the M+ and M + 1 peak intensities, the number of carbon atoms is calculated. The masses of the C atoms and the heteroatoms are subtracted from the molecular mass. The remaining mass reasonably is made up by hydrogens. If that number of H atoms is unreasonably high, then consider adding another non-hydrogen atom to the formula.

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Answer 2

Question

Chapter 16, Problem 16.76P

Interpretation Introduction

(a)

Interpretation:

The formula of a compound that can produce the given mass spectrum is to be determined.

Concept introduction:

The mass spectrum of a compound is often represented as a bar graph with m/z on the x axis (where m is in atomic mass units, u) and the relative abundance of ions at each m/z on the y axis. The mass of each ion is just the mass of the atoms that make it up. The M+ peak of a mass spectrum is taken to be the compound’s molecular mass. From the ratio of the M+ and M + 1 peak intensities, the number of carbon atoms is calculated. The masses of the C atoms and the heteroatoms are subtracted from the molecular mass. The remaining mass reasonably is made up by hydrogens. If that number of H atoms is unreasonably high, then consider adding another non-hydrogen atom to the formula.

Interpretation Introduction

(b)

Interpretation:

The formula of a compound that can produce the given mass spectrum is to be determined.

Concept introduction:

The mass spectrum of a compound is often represented as a bar graph with m/z on the x axis (where m is in atomic mass units, u) and the relative abundance of ions at each m/z on the y axis. The mass of each ion is just the mass of the atoms that make it up. The M+ peak of a mass spectrum is taken to be the compound’s molecular mass. From the ratio of the M+ and M + 1 peak intensities, the number of carbon atoms is calculated. The masses of the C atoms and the heteroatoms are subtracted from the molecular mass. The remaining mass reasonably is made up by hydrogens. If that number of H atoms is unreasonably high, then consider adding another non-hydrogen atom to the formula.

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Answer 3

Question

Chapter 16, Problem 16.76P

Interpretation Introduction

(a)

Interpretation:

The formula of a compound that can produce the given mass spectrum is to be determined.

Concept introduction:

The mass spectrum of a compound is often represented as a bar graph with m/z on the x axis (where m is in atomic mass units, u) and the relative abundance of ions at each m/z on the y axis. The mass of each ion is just the mass of the atoms that make it up. The M+ peak of a mass spectrum is taken to be the compound’s molecular mass. From the ratio of the M+ and M + 1 peak intensities, the number of carbon atoms is calculated. The masses of the C atoms and the heteroatoms are subtracted from the molecular mass. The remaining mass reasonably is made up by hydrogens. If that number of H atoms is unreasonably high, then consider adding another non-hydrogen atom to the formula.

Interpretation Introduction

(b)

Interpretation:

The formula of a compound that can produce the given mass spectrum is to be determined.

Concept introduction:

The mass spectrum of a compound is often represented as a bar graph with m/z on the x axis (where m is in atomic mass units, u) and the relative abundance of ions at each m/z on the y axis. The mass of each ion is just the mass of the atoms that make it up. The M+ peak of a mass spectrum is taken to be the compound’s molecular mass. From the ratio of the M+ and M + 1 peak intensities, the number of carbon atoms is calculated. The masses of the C atoms and the heteroatoms are subtracted from the molecular mass. The remaining mass reasonably is made up by hydrogens. If that number of H atoms is unreasonably high, then consider adding another non-hydrogen atom to the formula.

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Answer 4

Question

Chapter 16, Problem 16.76P

Interpretation Introduction

(a)

Interpretation:

The formula of a compound that can produce the given mass spectrum is to be determined.

Concept introduction:

The mass spectrum of a compound is often represented as a bar graph with m/z on the x axis (where m is in atomic mass units, u) and the relative abundance of ions at each m/z on the y axis. The mass of each ion is just the mass of the atoms that make it up. The M+ peak of a mass spectrum is taken to be the compound’s molecular mass. From the ratio of the M+ and M + 1 peak intensities, the number of carbon atoms is calculated. The masses of the C atoms and the heteroatoms are subtracted from the molecular mass. The remaining mass reasonably is made up by hydrogens. If that number of H atoms is unreasonably high, then consider adding another non-hydrogen atom to the formula.

Interpretation Introduction

(b)

Interpretation:

The formula of a compound that can produce the given mass spectrum is to be determined.

Concept introduction:

The mass spectrum of a compound is often represented as a bar graph with m/z on the x axis (where m is in atomic mass units, u) and the relative abundance of ions at each m/z on the y axis. The mass of each ion is just the mass of the atoms that make it up. The M+ peak of a mass spectrum is taken to be the compound’s molecular mass. From the ratio of the M+ and M + 1 peak intensities, the number of carbon atoms is calculated. The masses of the C atoms and the heteroatoms are subtracted from the molecular mass. The remaining mass reasonably is made up by hydrogens. If that number of H atoms is unreasonably high, then consider adding another non-hydrogen atom to the formula.

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Answer 5

Chapter 16, Problem 16.76P

Interpretation Introduction

(a)

Interpretation:

The formula of a compound that can produce the given mass spectrum is to be determined.

Concept introduction:

The mass spectrum of a compound is often represented as a bar graph with m/z on the x axis (where m is in atomic mass units, u) and the relative abundance of ions at each m/z on the y axis. The mass of each ion is just the mass of the atoms that make it up. The M+ peak of a mass spectrum is taken to be the compound’s molecular mass. From the ratio of the M+ and M + 1 peak intensities, the number of carbon atoms is calculated. The masses of the C atoms and the heteroatoms are subtracted from the molecular mass. The remaining mass reasonably is made up by hydrogens. If that number of H atoms is unreasonably high, then consider adding another non-hydrogen atom to the formula.

Interpretation Introduction

(b)

Interpretation:

The formula of a compound that can produce the given mass spectrum is to be determined.

Concept introduction:

The mass spectrum of a compound is often represented as a bar graph with m/z on the x axis (where m is in atomic mass units, u) and the relative abundance of ions at each m/z on the y axis. The mass of each ion is just the mass of the atoms that make it up. The M+ peak of a mass spectrum is taken to be the compound’s molecular mass. From the ratio of the M+ and M + 1 peak intensities, the number of carbon atoms is calculated. The masses of the C atoms and the heteroatoms are subtracted from the molecular mass. The remaining mass reasonably is made up by hydrogens. If that number of H atoms is unreasonably high, then consider adding another non-hydrogen atom to the formula.

Answer 6

Chapter 16, Problem 16.76P

Interpretation Introduction

(a)

Interpretation:

The formula of a compound that can produce the given mass spectrum is to be determined.

Concept introduction:

The mass spectrum of a compound is often represented as a bar graph with m/z on the x axis (where m is in atomic mass units, u) and the relative abundance of ions at each m/z on the y axis. The mass of each ion is just the mass of the atoms that make it up. The M+ peak of a mass spectrum is taken to be the compound’s molecular mass. From the ratio of the M+ and M + 1 peak intensities, the number of carbon atoms is calculated. The masses of the C atoms and the heteroatoms are subtracted from the molecular mass. The remaining mass reasonably is made up by hydrogens. If that number of H atoms is unreasonably high, then consider adding another non-hydrogen atom to the formula.

Answer 7

Chapter 16, Problem 16.76P

Interpretation Introduction

(a)

Interpretation:

The formula of a compound that can produce the given mass spectrum is to be determined.

Concept introduction:

The mass spectrum of a compound is often represented as a bar graph with m/z on the x axis (where m is in atomic mass units, u) and the relative abundance of ions at each m/z on the y axis. The mass of each ion is just the mass of the atoms that make it up. The M+ peak of a mass spectrum is taken to be the compound’s molecular mass. From the ratio of the M+ and M + 1 peak intensities, the number of carbon atoms is calculated. The masses of the C atoms and the heteroatoms are subtracted from the molecular mass. The remaining mass reasonably is made up by hydrogens. If that number of H atoms is unreasonably high, then consider adding another non-hydrogen atom to the formula.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The formula of a compound that can produce the given mass spectrum is to be determined.

Concept introduction:

The mass spectrum of a compound is often represented as a bar graph with m/z on the x axis (where m is in atomic mass units, u) and the relative abundance of ions at each m/z on the y axis. The mass of each ion is just the mass of the atoms that make it up. The M+ peak of a mass spectrum is taken to be the compound’s molecular mass. From the ratio of the M+ and M + 1 peak intensities, the number of carbon atoms is calculated. The masses of the C atoms and the heteroatoms are subtracted from the molecular mass. The remaining mass reasonably is made up by hydrogens. If that number of H atoms is unreasonably high, then consider adding another non-hydrogen atom to the formula.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The formula of a compound that can produce the given mass spectrum is to be determined.

Concept introduction:

The mass spectrum of a compound is often represented as a bar graph with m/z on the x axis (where m is in atomic mass units, u) and the relative abundance of ions at each m/z on the y axis. The mass of each ion is just the mass of the atoms that make it up. The M+ peak of a mass spectrum is taken to be the compound’s molecular mass. From the ratio of the M+ and M + 1 peak intensities, the number of carbon atoms is calculated. The masses of the C atoms and the heteroatoms are subtracted from the molecular mass. The remaining mass reasonably is made up by hydrogens. If that number of H atoms is unreasonably high, then consider adding another non-hydrogen atom to the formula.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 16 - Prob. 16.1P Ch. 16 - Prob. 16.2P Ch. 16 - Prob. 16.3P Ch. 16 - Prob. 16.4P Ch. 16 - Prob. 16.5P Ch. 16 - Prob. 16.6P Ch. 16 - Prob. 16.7P Ch. 16 - Prob. 16.8P Ch. 16 - Prob. 16.9P Ch. 16 - Prob. 16.10P

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