Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 3 - Stoichiometry - Exercises: 37

Answer

Average Atomic Mass = 207.2 amu Element = Lead (Pb)

Work Step by Step

Average Atomic Mass = $0.014*203.973+0.241*295.9745+0.2210*206.9759+0.5249*207.9766=207.2$ amu Lead (Pb) also has an average atomic mass of 207.2. Therefore, this element is most likely Lead.
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