Chemical Principles
Chemical Principles
8th Edition
ISBN: 9781305581982
Author: Steven S. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Chapter 4, Problem 57E

(a)

Interpretation Introduction

Interpretation: The molecular equation, complete ionic equation and net ionic equation representing the reaction of given acid and base are to be stated.

Concept introduction: The chemical equation in which molecules of reactants and products are present is termed as molecular equation. The substance that are strong electrolytes will get dissociate into their constituent ions. Therefore, the chemical equation which contains ions only is termed as complete ionic equation. The equation obtained by the elimination of spectator ions from the complete ionic equation is known as net ionic equation.

(a)

Expert Solution
Check Mark

Answer to Problem 57E

The molecular equation is shown below.

  HNO3(aq)+Al(OH)3(s)Al(NO3)3(aq)+H2O(l)

The complete ionic equation is shown below.

  3H+(aq)+3NO3(aq)+Al(OH)3(s)Al3+(aq)+3NO3(aq)+3H2O(l)

The net ionic equation is 3H+(aq)+Al(OH)3(s)Al3+(aq)+3H2O(l) .

Explanation of Solution

The molecular equation representing the reaction between HNO3 and solid Al(OH)3 is shown below.

  3HNO3(aq)+Al(OH)3(s)Al(NO3)3(aq)+3H2O(l)

The substance that are strong electrolytes will get dissociate into their constituent ions. Therefore, the complete ionic equation representing the reaction between HNO3 and solid Al(OH)3 is shown below.

  3H+(aq)+3NO3(aq)+Al(OH)3(s)Al3+(aq)+3NO3(aq)+3H2O(l)

The net ionic equation is obtained by eliminating the spectator ions present on left and right side of the complete ionic equation. Therefore, the net ionic equation representing the formation of precipitate is shown below.

  3H+(aq)+Al(OH)3(s)Al3+(aq)+3H2O(l)

(b)

Interpretation Introduction

Interpretation: The molecular equation, complete ionic equation and net ionic equation representing the reaction of given acid and base are to be stated.

Concept introduction: The chemical equation in which molecules of reactants and products are present is termed as molecular equation. The substance that are strong electrolytes will get dissociate into their constituent ions. Therefore, the chemical equation which contains ions only is termed as complete ionic equation. The equation obtained by the elimination of spectator ions from the complete ionic equation is known as net ionic equation.

(b)

Expert Solution
Check Mark

Answer to Problem 57E

The molecular equation is shown below.

  HC2H3O2(aq)+KOH(aq)KC2H3O2(aq)+H2O(l)

The complete ionic equation is shown below.

  H+(aq)+C2H3O2(aq)+K+(aq)+OH(aq)K+(aq)+C2H3O2(aq)+H2O(l)

The net ionic equation is OH(aq)+H+(aq)H2O(l) .

Explanation of Solution

The molecular equation representing the reaction between HC2H3O2 and KOH is shown below.

  HC2H3O2(aq)+KOH(aq)KC2H3O2(aq)+H2O(l)

The substance that are strong electrolytes will get dissociate into their constituent ions. Therefore, the complete ionic equation representing the reaction between HC2H3O2 and KOH is shown below.

  H+(aq)+C2H3O2(aq)+K+(aq)+OH(aq)K+(aq)+C2H3O2(aq)+H2O(l)

The net ionic equation is obtained by eliminating the spectator ions present on left and right side of the complete ionic equation. Therefore, the net ionic equation representing the formation of precipitate is shown below.

  OH(aq)+H+(aq)H2O(l)

(c)

Interpretation Introduction

Interpretation: The molecular equation, complete ionic equation and net ionic equation representing the reaction of given acid and base are to be stated.

Concept introduction:

The chemical equation in which molecules of reactants and products are present is termed as molecular equation. The substance that are strong electrolytes will get dissociate into their constituent ions. Therefore, the chemical equation which contains ions only is termed as complete ionic equation. The equation obtained by the elimination of spectator ions from the complete ionic equation is known as net ionic equation.

(c)

Expert Solution
Check Mark

Answer to Problem 57E

The molecular equation is shown below.

  Ca(OH)2(aq)+2HCl(aq)CaCl2(aq)+2H2O(l)

The complete ionic equation is shown below.

  Ca2+(aq)+2OH(aq)+2H+(aq)+2Cl(aq)Ca2+(aq)+2Cl(aq)+2H2O(l)

The net ionic equation is OH(aq)+H+(aq)H2O(l) .

Explanation of Solution

The molecular equation representing the reaction between Ca(OH)2 and HCl is shown below.

  Ca(OH)2(aq)+2HCl(aq)CaCl2(aq)+2H2O(l)

The substance that are strong electrolytes will get dissociate into their constituent ions. Therefore, the complete ionic equation representing the reaction between Ca(OH)2 and HCl is shown below.

  Ca2+(aq)+2OH(aq)+2H+(aq)+2Cl(aq)Ca2+(aq)+2Cl(aq)+2H2O(l)

The net ionic equation is obtained by eliminating the spectator ions present on left and right side of the complete ionic equation. Therefore, the net ionic equation representing the formation of precipitate is shown below.

  OH(aq)+H+(aq)H2O(l)

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Chapter 4 Solutions

Chemical Principles

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