Problem: How many peaks will be present in a mass spectrum for BrCl? Express your answer as an integer.The two naturally occurring isotopes of bromine are 81Br (80.916 amu, 49.31%) and79Br (78.918 amu, 50.69%). The two naturally occurring isotopes of chlorine are 37Cl (36.966 amu, 24.23%) and35Cl (34.969 amu, 75.77%).Bromine and chlorine combine to form bromine monochloride, BrCl.

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Problem Details

How many peaks will be present in a mass spectrum for BrCl? 

Express your answer as an integer.


The two naturally occurring isotopes of bromine are 

  • 81Br (80.916 amu, 49.31%) and
  • 79Br (78.918 amu, 50.69%). 

The two naturally occurring isotopes of chlorine are 

  • 37Cl (36.966 amu, 24.23%) and
  • 35Cl (34.969 amu, 75.77%).

Bromine and chlorine combine to form bromine monochloride, BrCl.

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