7. Halogenated compounds are particularly easy to identify by their mass spectra because chlorine and bromine occur naturally as mixtures of two abundant isotopes. Chlorine occurs as °C1 (75.8%) and "Cl (24.2%); Bromine occurs as "Br (50.7%) and 'Br (49.3%); Boron compounds also stand out owing to the two isotopes "B (19.9%) and "B (80.1%). For the compound 1,2-dibromoethane C¿H,Br;: At what masses do the molecular ions occur? What are the percentages of each molecular ion?

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At what masses do the molecular ions occur? What are the percentages of each molecular ion?

7. Halogenated compounds are particularly easy to identify by their mass spectra because chlorine and
bromine occur naturally as mixtures of two abundant isotopes.
Chlorine occurs as "Cl (75.8%) and "Cl (24.2%);
Bromine occurs as "Br (50.7%) and Br (49.3%);
Boron compounds also stand out owing to the two isotopes "B (19.9%) and "B (80.1%).
For the compound 1,2-dibromoethane C¿H,Br:
At what masses do the molecular ions occur?
What are the percentages of each molecular ion?
Transcribed Image Text:7. Halogenated compounds are particularly easy to identify by their mass spectra because chlorine and bromine occur naturally as mixtures of two abundant isotopes. Chlorine occurs as "Cl (75.8%) and "Cl (24.2%); Bromine occurs as "Br (50.7%) and Br (49.3%); Boron compounds also stand out owing to the two isotopes "B (19.9%) and "B (80.1%). For the compound 1,2-dibromoethane C¿H,Br: At what masses do the molecular ions occur? What are the percentages of each molecular ion?
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