World of Chemistry, 3rd edition
World of Chemistry, 3rd edition
3rd Edition
ISBN: 9781133109655
Author: Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher: Brooks / Cole / Cengage Learning
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Chapter 8, Problem 21A
Interpretation Introduction

Interpretation: The dissociation of HCl, HNO3 , H2SO4 and HClO4 in water needs to be explained.

Concept Introduction: Acids are the substances which tend to give H+ ions in their solution whereas bases give OH- ions.

The acid-base reaction is the reaction of acid and base to form salt and water. Here salt is formed from the cation of base and anion of acid.

Expert Solution & Answer
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Answer to Problem 21A

  HCl(aq)+H2O(l)Cl(aq)+ H3O(aq)+HNO3 (aq)+H2O(l)NO3 (aq)+ H3O(aq)+H2SO4 (aq)+ 2 H2O(l)SO 4(aq)2+ 2 H3O(aq)+HClO4 (aq)+  H2O(l)ClO 4(aq)+ H3O(aq)+

Explanation of Solution

Given information: HCl, HNO3 , H2SO4 and HClO4 are strong acid.

On the basis of strength of acids; they can be further classified as strong and weak acid. A strong acid can be ionized completely in its solution whereas a weak acid will ionized partially ionized in its solution. The dissociation of HCl, HNO3 , H2SO4 and HClO4 can be written as:

  HCl(aq)+H2O(l)Cl(aq)+ H3O(aq)+HNO3 (aq)+H2O(l)NO3 (aq)+ H3O(aq)+H2SO4 (aq)+ 2 H2O(l)SO 4(aq)2+ 2 H3O(aq)+HClO4 (aq)+  H2O(l)ClO 4(aq)+ H3O(aq)+

Conclusion

Strong acids ionized completely in their aqueous solutions.

Chapter 8 Solutions

World of Chemistry, 3rd edition

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