Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 2 - Exercises - Page 80: 72

Answer

24.3050 amu

Work Step by Step

Multiply the relative abundance of each isotope by its atomic mass, then add them together to get the atomic mass of the element. atomic mass = (0.7899)(23.9850 amu) + (0.1000)(24.9858 amu) + (0.1101)(25.9826 amu) = 24.3050 amu
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