Lab Report
Lab Report
Mass Spectrometry
Answer the following questions about the results of this activity. Record your answers in the
boxes.
Send your completed lab report to your instructor. Don’t forget to save your lab report to your
computer!
Activity 1
Place your data from the mass spectrometry readout of hydrochloric acid in Activity 1 in the
appropriate boxes below.
Sample
1
Product
Ratio of
Products in Percent
Molecular Weight of
Product
Hydrochloric
Acid
Structure
1. Explain which product represents the complete hydrochloric acid
molecule and which products represent its break-down components.
2. Describe how the mass spectrometry readout is consistent with the
chemical structure of hydrochloric acid.
Activity 2
Place your data from the mass spectrometry readout of ethanol in Activity 2 in the appropriate
boxes below.
Sample
2
Name
Ethanol
Structure
Product
Ratio of
Products in Percent
Molecular Weight of
Product
Place your data from the mass spectrometry readout of benzene in Activity 2 in the appropriate
boxes below.
Sample
3
Name
Product
Ratio of
Products in Percent
Molecular Weight of
Product
Benzene
Structure
Place your data from the mass spectrometry readout of nitroglycerin in Activity 2 in the
appropriate boxes below.
Sample
4
Name
Nitroglycerin
Structure
Product
Ratio of
Products in Percent
Molecular Weight of
Product
3. Explain how the mass spectrometry components of each molecule
you tested are consistent with its chemical structure.
4. Explain how each of the molecules differ in the results of the mass
spectrometry readouts.
Activity 3
Place your data from the mass spectrometry readout of the unknown in Activity 3 in the
appropriate boxes below.
Unknown
Product
Ratio of
Products in Percent
Molecular Weight of
Product
5. Describe which sample tested in Activity 2 is most closely related to
the unknown molecule.
6. Describe the most likely structure of the unknown molecule.