While 13 C is the main contributor to the (M+1) + peak, there are many other elements

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While 13C is the main contributor to the (M+1)+• peak, there are many other elements that can also contribute to the (M+1)+• peak. For example, there are two naturally occurring isotopes of nitrogen. The most abundant isotope, 14N, represents 99.63% of all nitrogen atoms on Earth. The other isotope, 15N, represents 0.37% of all nitrogen atoms. In a compound with molecular formula C8H11N3, if the molecular ion peak has a relative abundance of 24.5%, then what percent abundance do you expect for the (M+1)+• peak?

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Organic Chemistry

ISBN: 978-0470917800

1st edition

Authors: David R. Klein

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