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.