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ChemistryIntroductory Chemistry: A Foundation9th Edition

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Chapter 16, Problem 92AP
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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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Problem 106CP
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Problem 108CP
BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
1 views

. Of the following combinations, which would act as buffered solutions?

a. HClO2 and KClO2

b. H2S and Na2S

c. HCOOH and NaHCO

d. HClO and HClO4

Interpretation Introduction

Interpretation:

The pair of species that can act as buffer solution should be determined.

Concept Introduction:

Buffer solution is a mixture of a weak acid and a conjugate base of that weak acid or a mixture of weak base and a conjugate acid of that weak base. Buffered solutions are used to maintain a pH of a solution in a constant value. Presence of such buffer solutions can be determined by the evaluation of components of a mixture. Most of the times, the weak acid is mixed with a salt of that acid to prepare a buffer solution. Salt dissociates into ions producing the conjugate base of the acid. Likewise, weak base is mixed with a salt of that base that dissociate producing conjugate acid of the base.

Explanation

Base dissociation constant is a measure of the dissociation of a base, consider the base B,

HA + H2 O ( A- + H3 O+

HA is the weak acid, A- is the conjugate base, weak acids dissociates weakly, so to increase the concentration of A-, A- is added to the solution as a salt (for an example as NaA).

If an acid is added to this solution, added H+ reacts with the conjugate base,

H+ + A- ( HA

Which will not result in any production of H+ or OH-, thus pH remains constant

If a base is added to this solution, added OH- reacts with the H+ that is pre...

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Sect-16.1 P-16.1SCSect-16.2 P-1CTSect-16.3 P-16.2SCSect-16.4 P-16.3SCSect-16.4 P-1CTSect-16.4 P-16.4SCSect-16.4 P-16.5SCSect-16.4 P-16.6SCSect-16.5 P-16.7SCCh-16 P-1ALQ
Ch-16 P-2ALQCh-16 P-3ALQCh-16 P-4ALQCh-16 P-5ALQCh-16 P-6ALQCh-16 P-7ALQCh-16 P-8ALQCh-16 P-9ALQCh-16 P-10ALQCh-16 P-11ALQCh-16 P-12ALQCh-16 P-13ALQCh-16 P-14ALQCh-16 P-15ALQCh-16 P-16ALQCh-16 P-17ALQCh-16 P-1QAPCh-16 P-2QAPCh-16 P-3QAPCh-16 P-4QAPCh-16 P-5QAPCh-16 P-6QAPCh-16 P-7QAPCh-16 P-8QAPCh-16 P-9QAPCh-16 P-10QAPCh-16 P-11QAPCh-16 P-12QAPCh-16 P-13QAPCh-16 P-14QAPCh-16 P-15QAPCh-16 P-16QAPCh-16 P-17QAPCh-16 P-18QAPCh-16 P-19QAPCh-16 P-20QAPCh-16 P-21QAPCh-16 P-22QAPCh-16 P-23QAPCh-16 P-24QAPCh-16 P-25QAPCh-16 P-26QAPCh-16 P-27QAPCh-16 P-28QAPCh-16 P-29QAPCh-16 P-30QAPCh-16 P-31QAPCh-16 P-32QAPCh-16 P-33QAPCh-16 P-34QAPCh-16 P-35QAPCh-16 P-36QAPCh-16 P-37QAPCh-16 P-38QAPCh-16 P-39QAPCh-16 P-40QAPCh-16 P-41QAPCh-16 P-42QAPCh-16 P-43QAPCh-16 P-44QAPCh-16 P-45QAPCh-16 P-46QAPCh-16 P-47QAPCh-16 P-48QAPCh-16 P-49QAPCh-16 P-50QAPCh-16 P-51QAPCh-16 P-52QAPCh-16 P-53QAPCh-16 P-54QAPCh-16 P-55QAPCh-16 P-56QAPCh-16 P-57QAPCh-16 P-58QAPCh-16 P-59QAPCh-16 P-60QAPCh-16 P-61QAPCh-16 P-62QAPCh-16 P-63QAPCh-16 P-64QAPCh-16 P-65APCh-16 P-66APCh-16 P-67APCh-16 P-68APCh-16 P-69APCh-16 P-70APCh-16 P-71APCh-16 P-72APCh-16 P-73APCh-16 P-74APCh-16 P-75APCh-16 P-76APCh-16 P-77APCh-16 P-78APCh-16 P-79APCh-16 P-80APCh-16 P-81APCh-16 P-82APCh-16 P-83APCh-16 P-84APCh-16 P-85APCh-16 P-86APCh-16 P-87APCh-16 P-88APCh-16 P-89APCh-16 P-90APCh-16 P-91APCh-16 P-92APCh-16 P-93APCh-16 P-94APCh-16 P-95APCh-16 P-96APCh-16 P-97APCh-16 P-98APCh-16 P-99APCh-16 P-100APCh-16 P-101APCh-16 P-102APCh-16 P-103APCh-16 P-104APCh-16 P-105APCh-16 P-106CPCh-16 P-107CPCh-16 P-108CP

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