What are the M, M+1 and M+2 peaks on a mass spectrum of a compound?
M=Mr of compound, highest peak thats on the right. M+1-caused by c-13 isotope, found right of M peak. M+2=Cl or Br in compound, Cl-35 most abundant so in M peak, Cl-37 ratio of 3:1 to M peak. Br-79 and 81 are same height
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