In a mass spectrometer. molecules can be ionized into singly positively charged

Question

In a mass spectrometer. molecules can be ionized into singly positively charged molecular ions which are then separated according to their masses and counted. The resulting spectrum is essentially a histogram showing the relative numerical abundances of ions of different masses. Phosgene, a highly toxic, gasesous, industrial chemical (used somewhat unsuccessfully as a chemical warfare agent in WWI)has the molecular formula COCl2. A portion of the mass spectrum of phosgene is represented below. Given the following natural isotopic abundances (and atomic masses): 12C 98.9% (12.000000 amu) 13C 1.1% (13.003355 amu) 16099.76% (15.994915 amu) Enter the atomic mass of the most massive isotope of chlorine present in the sample (in amu,to at least 4 decimal places). amu Assign masses (amu) to the following molecular ions: Enter the approximate % abundance of the most massive isotope of chlorine present in the sample (try to get it within 1 %). Do NOT include the symbol " % " in your response. It is already implicit.

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