Answer
Cr$_{2}$O$_{3}$ = (2 x 59.9961) + (3 x 15.9994) = 151.9904
Mass %age of Cr in Cr$_{2}$O$_{3}$ = 68.4202
Percentage of Chromium = 68.4202 x 42.7/100 = 29.2154
Work Step by Step
Given in answer
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 74: 40
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