Chemistry, 10.11.2020 18:20, alen919

A. The four isotopes of lead are shown below, each with its percent by mass abundance, the composition of its nucleus and atomic masses. Using this data, calculate the average atomic mass of lead.
82p, 122n, 1.37%, 203.97 amu
82p, 124n, 26.26%, 205.97amu
82p, 125n, 20.82%, 206.98amu
82p, 126, 51.55%, 207.97 amu

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A. The four isotopes of lead are shown below, each with its percent by mass abundance, the compositi...