Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 8 - Periodic Relationships Among the Elements - Questions & Problems: 8.119

Answer

Please see the work below.

Work Step by Step

We know that the solution of $Na_2SO_4$ is colorless which shows that $SO_4^-2$ is colorless and the blue color is because of $Cu^+2$.
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