   # Consider the titration of 40.0 mL of 0.200 M HClO 4 by 0.100 M KOH. Calculate the pH of the resulting solution after the following volumes of KOH have been added. a. 0.0 mL b. 10.0 mL c. 40.0 mL d. 80.0 mL e. 100.0 mL ### Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243

#### Solutions

Chapter
Section ### Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
Chapter 14, Problem 57E
Textbook Problem
111 views

## Consider the titration of 40.0 mL of 0.200 M HClO4 by 0.100 M KOH. Calculate the pH of the resulting solution after the following volumes of KOH have been added.a. 0.0 mLb. 10.0 mLc. 40.0 mLd. 80.0 mLe. 100.0 mL

(a)

Interpretation Introduction

Interpretation:

The titration concentration of KOH , volume and concentration of HClO4 is given. The pH of resulting solution after the addition of KOH is to be calculated for the given volumes of KOH .

Concept introduction:

Titration is a process to determine the concentration of an unknown solution with the help of a solution of a known concentration value.

The pH is calculated using the formula,

pH=log10[H+]

The relation between pH and pOH is,

pH+pOH=14

To determine the pH of the resulting solution, after the addition of 0.0mL of KOH .

### Explanation of Solution

Explanation

Given

Concentration of HClO4 is 0.200M .

HClO4 is a strong acid; hence, it completely dissociates into ions. The major species present in the solution are H+,ClO4 and H2O .

The pH is determined by [H+] present in the solution.

Since HClO4 completely dissociates into ions, 0.200M HClO4 contains 0.200M H+

(b)

Interpretation Introduction

Interpretation:

The titration concentration of KOH , volume and concentration of HClO4 is given. The pH of resulting solution after the addition of KOH is to be calculated for the given volumes of KOH .

Concept introduction:

Titration is a process to determine the concentration of an unknown solution with the help of a solution of a known concentration value.

The pH is calculated using the formula,

pH=log10[H+]

The relation between pH and pOH is,

pH+pOH=14

To determine the concentration of H+

(c)

Interpretation Introduction

Interpretation:

The titration concentration of KOH , volume and concentration of HClO4 is given. The pH of resulting solution after the addition of KOH is to be calculated for the given volumes of KOH .

Concept introduction:

Titration is a process to determine the concentration of an unknown solution with the help of a solution of a known concentration value.

The pH is calculated using the formula,

pH=log10[H+]

The relation between pH and pOH is,

pH+pOH=14

(d)

Interpretation Introduction

Interpretation:

The titration concentration of KOH , volume and concentration of HClO4 is given. The pH of resulting solution after the addition of KOH is to be calculated for the given volumes of KOH .

Concept introduction:

Titration is a process to determine the concentration of an unknown solution with the help of a solution of a known concentration value.

The pH is calculated using the formula,

pH=log10[H+]

The relation between pH and pOH is,

pH+pOH=14

(e)

Interpretation Introduction

Interpretation:

The titration concentration of KOH , volume and concentration of HClO4 is given. The pH of resulting solution after the addition of KOH is to be calculated for the given volumes of KOH .

Concept introduction:

Titration is a process to determine the concentration of an unknown solution with the help of a solution of a known concentration value.

The pH is calculated using the formula,

pH=log10[H+]

The relation between pH and pOH is,

pH+pOH=14

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