Pick out the isotopic distribution pattern for 2-phenylpropanoic acid (hint: 1.1% of all carbon atoms have an atomic mass of 13) .
A) 150 (M, 100%) , 151 (1%) , 152 (0.01%) .
B) 150 (M, 100%) , 151 (5%) , 152 (0.05%) .
C) 150 (M, 100%) , 151 (10%) , 152 (0.1%) .
D) 150 (M, 100%) , 151 (20%) , 152 (0.2%) .
Correct Answer:
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