Answer
Average atomic mass of naturally occurring tungsten is $183.84$
Work Step by Step
$$\text{average atomic mass}=179.946706\cdot 0.0012+181.948206\cdot 0.265+182.9502245\cdot 14.31+183.9509326\cdot 30.64+185.954362\cdot 28.43=183.84$$
General Chemistry (4th Edition)
by McQuarrie, Donald A.
Published by
University Science Books
ISBN 10:
1891389602
ISBN 13:
978-1-89138-960-3
Chapter 2 Atoms and Molecules - Problems - Page 76: 76
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