Isotope Ratio Data



Question:

Calculate the intensities of the M+1 and M+2 peaks for benzamide (C7H7NO). Compare these intensities to those shown in Figure 3.

Answer:

%(M+1) = (1.1 x 7) + (0.016 x 7) + (0.38 x 1) = 8%

%(M+2) = [(1.1 x 7)2 / 200] + [(0.016 x 7)2 / 200] + (0.20 x 1) = 0.5%

Therefore, these calculated intensities match those in Figure 3.


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