Answer
C
Work Step by Step
Atomic weights: $Na: 22.990u,\ K: 39.098u,\ Ca: 40.078u,\ Mg: 24.305u$
Masses:
0.50 mol Na : 11.5 g
0.20 mol K: 7.82 g
0.40 mol Ca: 16 g
0.60 mol Mg: 14 g
Largest mass is 0.40 mol of Ca.
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 2 Atoms, Molecules, and Ions - 2-9 Atoms, Molecules, and the Mole - Review & Check for Section 2-9 - Page 84: 3
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