Chemistry: The Central Science (13th Edition)

by Brown, Theodore E.; LeMay, H. Eugene; Bursten, Bruce E.; Murphy, Catherine; Woodward, Patrick; Stoltzfus, Matthew E.

Published by Prentice Hall

ISBN 10: 0321910419

ISBN 13: 978-0-32191-041-7

Chapter 4 - Reactions in Aqueous Solution - Exercises - Page 160: 4.72b

Answer

0.0543 M KCl

Work Step by Step

Total volume = 44.0 mL + 25.0 mL = 69.0 mL = (0.100 M Na2SO4 * 44.0 mL)/(69.0 mL) = 0.0638 M Na2SO4 2 × (0.06377 M) = 0.128 M Na+, 0.0638 M SO42– = (0.150 M KCl *25.0 mL)/(69.0 mL) 0.0543 M KCl 0.0543 M K+, 0.0543 M Cl-

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