Can I get with this question Transcribed Image Text: QUESTION 34

Can I get with this question Transcribed Image Text: QUESTION 34
Bromine has two naturally occuring isotopes, Br-79 and Br-81, approximately 50% of each. Bromomethane will contain approximately 50% Br-79
and 50% Br-81. The mass spectrum peak for methane containing Br-79 will be referred to as the M+ (molecular ion) peak, and the peak for Br-81
will be called the M+2 peak, as Br-81 weighs two more amu than Br-79.
What will be the locations of the two bromomethane peaks on the mass spectrum and what will be the approximate ratio of their heights?
M+:
= 94.034m/z
M+2 = 96.034 mlz
Ratio = 4:1
O Mt:
= 79.90 m/z
M+2 :
= 94.934 m/z
Ratio = 2:3
M+ = 79 m/z
M+2 = 81 m/z
Ratio
1:1
M+ = 95.04 m/z
M+2 =
= 97.04 m/z
Ratio = 3:1
M+:
= 94 m/z
M+2 –
= 96 m/z
Ratio = 1:1

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