Answer
142 mL
Work Step by Step
Using the equation for molarity:
$M_{i}V_{i}= M_{f}V_{f}$
$\implies V_{i}=\frac{M_{f}V_{f}}{M_{i}}=\frac{0.425\,M\times250.0\,mL}{0.750\,M}$
$= 142\,mL$
General Chemistry: Principles and Modern Applications (10th Edition)
by Petrucci, Ralph H.; Herring, F. Geoffrey; Madura, Jeffry D.; Bissonnette, Carey
Published by
Pearson Prentice Hal
ISBN 10:
0132064529
ISBN 13:
978-0-13206-452-1
Chapter 4 - Chemical Reactions - Exercises - Molarity - Page 142: 44
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