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 21 - Problems - Page 972: 21.103

Answer

See explanation below.

Work Step by Step

Given reaction: Ra2+ + 2 e- --> Ra Reduction of radium ions to radium, transfer of two electrons occurs. Grams of radium produced= (215 C)(1mole-/96485 C)(1mol Ra/2 mole-)(226 g Ra/ 1 mol Ra) = 0.282 g Ra
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