Halogenated compounds are particularly easy to identify by their mass spectra be

Question

Halogenated compounds are particularly easy to identify by their mass spectra because chlorine and bromine occur naturally as mixtures of 2 abundance isotopes. Chlorine occurs at 35Cl (75.8%) and 37Cl (24.2%); Bromine occurs as 79Br (50.7%) and 81Br (49.3%) For the compound 1,2-dichloroethane, ClCH2CH2Cl

1. At what masses do the molecular ions occur?

2. What are the approximate percentages of each molecular ion?

Answer to 1. is 98, 100, and 102

Answer to 2. is 57.5%, 36.7%, 5.9%

PLEASE EXPLAIN HOW TO DO THESE QUESTIONS, LIKE WORK THEM OUT! THANK YOU!

Explanation / Answer

1 ) 98 is the molecular wt ClCH2CH2Cl. .

100 is the molecular wt ClCH2CH2Cl with isotope of chlorine 35 (M+1 ) .

102  is the molecular wt ClCH2CH2Cl with isotope of chlorine 37 (M+2 ) .

2) Sorry!!!

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