Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 2 - Problems - Page 86: 2.101

Answer

a. Fe2O3 b. HClO4 c. HgO d. KI

Work Step by Step

a. iron (iii) oxide = iron has a +3 charge, oxygen has a -2 charge. To balance it would = Fe2O3 b. ClO4 = chlorate --> chloric acid needs to add an "H" ion = HClO4 c. Mercury = Hg, oxide = O. HgO d. potassium iodide = K+ & I- = KI
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