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A 1.0 L buffer solution initially contains 0.25 mol of NH3 and 0.25 mol of NH4Cl. In

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 117 Chapter 16

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 117

A 1.0 L buffer solution initially contains 0.25 mol of NH3 and 0.25 mol of NH4Cl. In order to adjust the buffer pH to 8.75, should you add NaOH or HCl to the buffer mixture? What mass of the correct reagent should you add?

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Chapter 19 Comparing acidities of compounds ● Pka o high pka is a weak acid o low pka is a strong acid o HI pka ~ -10 o CH4 pka ~ 50 o Evans pka = website good for finding pka values of various acids All mean the same thing ● Reactive ● Strong ● Unstable All mean the same thing ● Unreactive ● Weak ● Stable An acid’s strength is predicted by the stability...

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Chapter 16, Problem 117 is Solved
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Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

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A 1.0 L buffer solution initially contains 0.25 mol of NH3 and 0.25 mol of NH4Cl. In

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