The atomic masses of 203Tl and 205Tl are 202.972320 and
Chapter 2, Problem 28QP(choose chapter or problem)
Problem 28QP
The atomic masses of 203Tl and 205Tl are 202.972320 and 204.974401 amu, respectively. Calculate the natural abundances of these two isotopes. To seven significant figures, the average atomic mass of thallium is 204.3833 amu.
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