The two most abundant isotopes of boron are 10B and 11B, with 11B being about 4 times more abundant. In the mass spectrum of trimethylborate [(CH3O) 3B], ________.
A) the peaks at m/z 103 and m/z 104 have equivalent intensities
B) the peak at m/z 103 has an intensity which is 4 times that of the m/z 104 peak
C) the peak at m/z 103 has an intensity which is 1/4 the intensity of the peak at m/z 104
D) none of the above
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