Element Identification from Percentage of Abundance

When a sample is vaporized and injected into a mass spectrometer, the following results are obtained.

Mass of Atom (amu) % Abundance 143.911995 3.07

146.914893

14.99 147.914818

11.24

148.917180

13.82

149.917271

7.38

151.919728

26.75

153.922205 22/5

Calculate the atomic mass using the weighted average mass method and identify the element,discussing the data and the calculations performed.

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