Answer
17%
Work Step by Step
Recall: Mass % of a component= (Mass of the component× 100)÷ (Total mass of the solution)
In this case, mass % of KCl= $\frac{25g×100}{(25+125)g}\approx$17%
Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)
by Timberlake, Karen C.
Published by
Prentice Hall
ISBN 10:
0321908449
ISBN 13:
978-0-32190-844-5
Chapter 9 - Section 9.4 - Concentrations of Solutions - Questions and Problems - Page 301: 9.33a
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