Explanation Hydrochloric acid is a strong acid and it completely dissociates in water. This can be represented as follows; HCl ( a q ) + H 2 O ( l ) → H 3 O + ( a q ) + Cl − ( a q ) The concentration of hydrochloric acid is assumed as 1.0 mol ⋅ L − 1 . Therefore, 1.0 mol ⋅ L − 1 of HCl dissociates to give 1.0 mol ⋅ L − 1 of H 3 O + and 1.0 mol ⋅ L − 1 of Cl − . The pH of the solution can be calculated using the formula of pH as follows: pH = − log [ H 3 O + ] = − log ( 1.0 mol ⋅ L − 1 ) = 0.0 Hence, the pH of hydrochloric acid solution is 0.0 . The hydrochloric acid solution is diluted to 12 % from initial concentration. This means the concentration of hydrochloric acid is reduced to 12 % from 1.0 mol ⋅ L − 1 . Therefore, the concentration of HCl is calculated as follows: [HCl] = 1

Chemical Principles: The Quest for Insight

7th Edition

ISBN: 9781464183959

Author: Peter Atkins, Loretta Jones, Leroy Laverman

Publisher: W. H. Freeman

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Chapter 6, Problem 6B.1E

Interpretation Introduction

Interpretation:

Difference in the pH value of the two hydrochloric acid solution has to be given.

Concept Introduction:

Negative logarithm of the concentration of hydronium ion is the pH of solution. This can be given in equation form as follows;

pH=−log[H3O+]

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Chapter 6, Problem 6B.3BST

Chapter 6, Problem 6B.2E

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Chapter 6 Solutions

Chemical Principles: The Quest for Insight

Ch. 6 - Prob. 6A.1AST Ch. 6 - Prob. 6A.1BST Ch. 6 - Prob. 6A.2AST Ch. 6 - Prob. 6A.2BST Ch. 6 - Prob. 6A.3AST Ch. 6 - Prob. 6A.3BST Ch. 6 - Prob. 6A.1E Ch. 6 - Prob. 6A.2E Ch. 6 - Prob. 6A.3E Ch. 6 - Prob. 6A.4E

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Difference in the pH value of the two hydrochloric acid solution has to be given. Concept Introduction: Negative logarithm of the concentration of hydronium ion is the pH of solution. This can be given in equation form as follows; pH = − log [ H 3 O + ]

Solution Summary: The author explains that the difference in the pH value of the two hydrochloric acid solutions is 0.92.

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Interpretation:

Difference in the pH value of the two hydrochloric acid solution has to be given.

Concept Introduction:

Negative logarithm of the concentration of hydronium ion is the pH of solution. This can be given in equation form as follows;

pH=−log[H3O+]

Want to see the full answer?

Chapter 6 Solutions

Difference in the pH value of the two hydrochloric acid solution has to be given. Concept Introduction: Negative logarithm of the concentration of hydronium ion is the pH of solution. This can be given in equation form as follows; pH = − log [ H 3 O + ]

Solution Summary: The author explains that the difference in the pH value of the two hydrochloric acid solutions is 0.92.

Concept explainers

Videos

Interpretation: Difference in the pH value of the two hydrochloric acid solution has to be given. Concept Introduction: Negative logarithm of the concentration of hydronium ion is the pH of solution. This can be given in equation form as follows; pH=−log[H3O+]

Want to see the full answer?

Chapter 6 Solutions

Interpretation:

Difference in the pH value of the two hydrochloric acid solution has to be given.

Concept Introduction:

Negative logarithm of the concentration of hydronium ion is the pH of solution. This can be given in equation form as follows;

pH=−log[H3O+]