Chemistry: The Molecular Science (5th Edition)

by Moore, John W.; Stanitski, Conrad L.

Published by Cengage Learning

ISBN 10: 1285199049

ISBN 13: 978-1-28519-904-7

Chapter 15 - Additional Aqueous Equilibria - Questions for Review and Thought - Topical Questions - Page 693b: 42a

Answer

The necessary volume for this titration is $28\ ml \ NaOH$ .

Work Step by Step

1. Find the volume necessary for an equal number of moles: $ (HBr) C_1 * V_1 = (NaOH) C_2 * V_2$ $ 0.315* 20= 0.225 * V_2$ $ 6.3 = 0.225 * V_2$ $V_2 = 28ml$

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