2.2.3 Calculate non-integer relative atomic masses and abundance of isotopes from given data.

Mass Spectra - results of the analysis by the mass spectrometer are presented in the form of mass spectra.


Example)
  The mass spectrum for boron.




Calculations

(11 x 100) + (10 x 23)           1330
-------------------------- =  ---------------- = 13.3
             100                            100