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ChemistryIntroductory Chemistry: A Foundation9th Edition

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Chapter 16, Problem 7ALQ
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Introductory Chemistry: A Foundati...

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

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Section
Problem 1ALQ
Problem 2ALQ
Problem 3ALQ
Problem 4ALQ
Problem 5ALQ
Problem 6ALQ
Problem 7ALQ
Problem 8ALQ
Problem 9ALQ
Problem 10ALQ
Problem 11ALQ
Problem 12ALQ
Problem 13ALQ
Problem 14ALQ
Problem 15ALQ
Problem 16ALQ
Problem 17ALQ
Problem 1QAP
Problem 2QAP
Problem 3QAP
Problem 4QAP
Problem 5QAP
Problem 6QAP
Problem 7QAP
Problem 8QAP
Problem 9QAP
Problem 10QAP
Problem 11QAP
Problem 12QAP
Problem 13QAP
Problem 14QAP
Problem 15QAP
Problem 16QAP
Problem 17QAP
Problem 18QAP
Problem 19QAP
Problem 20QAP
Problem 21QAP
Problem 22QAP
Problem 23QAP
Problem 24QAP
Problem 25QAP
Problem 26QAP
Problem 27QAP
Problem 28QAP
Problem 29QAP
Problem 30QAP
Problem 31QAP
Problem 32QAP
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Problem 34QAP
Problem 35QAP
Problem 36QAP
Problem 37QAP
Problem 38QAP
Problem 39QAP
Problem 40QAP
Problem 41QAP
Problem 42QAP
Problem 43QAP
Problem 44QAP
Problem 45QAP
Problem 46QAP
Problem 47QAP
Problem 48QAP
Problem 49QAP
Problem 50QAP
Problem 51QAP
Problem 52QAP
Problem 53QAP
Problem 54QAP
Problem 55QAP
Problem 56QAP
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Problem 78AP
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Problem 86AP
Problem 87AP
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Problem 89AP
Problem 90AP
Problem 91AP
Problem 92AP
Problem 93AP
Problem 94AP
Problem 95AP
Problem 96AP
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Problem 98AP
Problem 99AP
Problem 100AP
Problem 101AP
Problem 102AP
Problem 103AP
Problem 104AP
Problem 105AP
Problem 106CP
Problem 107CP
Problem 108CP
BuyFindarrow_forward

Introductory Chemistry: A Foundati...

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

Why is the pH of water at 25 °C equal to 7.00?

6. Consider two separate solutions: one containing a weak acid. HA, and one containing HCI. Assume that you start with 10 molecules of each.

a. Draw a molecular-level picture of what each solution looks like.

b. Arrange the following from strongest to weakest base: Cl-, H2O, A-. Explain.

Interpretation Introduction

Interpretation:

The pH of level of a solution should be calculated.

Concept Introduction:

The pH of a solution shows the acidity or the basicity of a solution. If the value of pH is low, the solution is said to be acidic and vice versa. pH of a solution is calculated by using the following equation;

pH=−log10[H+(aq)]

Usually pH measurements are taken at 250C and a pH value which is less than 7 is considered as acidic, pH value greater than 7 is considered as basic and pH 7 is considered as neutral.

Explanation

The pH of a solution can be calculated with the following equation;

pH=−log10[H+(aq)]

Water H2O can act as an acid and a base H2O in a solution is in following equilibrium.

H2O(l)⇄H+(aq)+OH−(aq)

The dissociation constant (Kw ) for the above reaction can be written as;

Kw=H+(aq)+OH−(aq)H2O(l)

At 250C the H2O concentration is =1

Therefore the Kw equation simplifies to Kw=H+(aq)+OH−(aq)

The Kw value of the water at 250C is 1×10−14. The water dissociates in to H+(aq) and OH−(aq) resulting in the same concentrations

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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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