Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 2 Atoms, Molecules, and Ions - Study Questions: 113

Answer

A

Work Step by Step

Since all compounds are trichlorides, the one with the highest mass percent of chlorine is the one where the other atom has the lowest atomic weight: $B - 10.86\ g/mol$.
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