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 |
22.75 |
Calculate the atomic mass using the weighted average mass method and identify the element. Write a 2-to-3-page report discussing the data and the calculations performed.