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In a Typical Mass Spectrum,a Smaller Signal Is Observed at a Mass

Question 7

Multiple Choice

In a typical mass spectrum,a smaller signal is observed at a mass 1 amu higher than the molecular ion peak.Why?


A) Due to small impurities in the sample
B) Machine error
C) Because a small percentage of the compound will have a carbon that is the isotope 13C instead of 12C
D) Because of fragmentation

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