What can be deduced from the mass spectrum of CH,COCH,CH,CH,? 100 80- 60 Relative intensity 40 20 0+ 0 20 40 60 80 100 miz A. The molar mass is 43g mol!. B. The atoms have many isotopes. C. The most likely bond to break is C-C between carbons 2 and 3. D. The signal with the largest mass is due to the oxidation of the ketone in the spectrometer