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15-09-2022
Chemistry

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4. The four isotopes of lead are shown below, each with its percent by mass abundance and the composition of its nucleus. Using
this data, calculate the average atomic mass of lead in amu.
82P 122N 1.37% 82P 124N 26.26% 82P 125N 20.82% 82P 126N 51.66%

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