   # Calculate the pH and pOH of the solutions in Exercises 45 and 46. ### 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 13, Problem 49E
Textbook Problem
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## Calculate the pH and pOH of the solutions in Exercises 45 and 46.

(a)

Interpretation Introduction

Interpretation: The pH and the pOH values for the species in Exercises 45 and 46 are to be calculated.

Concept introduction: The pH of a solution is define as a figure that expresses the acidity of the alkalinity of a given solution. A logarithmic scale is used on which, the value 7 corresponds to a neutral species, a value less than 7 corresponds to an acid and a value greater than 7 corresponds to a base.

The pOH of a solution is the measure of the [OH] .

The pH of a solution is calculated by the formula, pH=log[H+]

The pOH of a solution is calculated by the formula, pOH=log[OH]

At 25°C , pH+pOH=14

To determine: The pH and the pOH value for the given species in Exercise 45 .

### Explanation of Solution

Explanation

Given

The temperature is 25°C .

The [H+]=1.0×107M .

The pH of a solution is calculated by the formula,

pH=log[H+]

Substitute the given value of [H+] in the above expression.

pH=log[1

(b)

Interpretation Introduction

Interpretation: The pH and the pOH values for the species in Exercises 45 and 46 are to be calculated.

Concept introduction: The pH of a solution is define as a figure that expresses the acidity of the alkalinity of a given solution. A logarithmic scale is used on which, the value 7 corresponds to a neutral species, a value less than 7 corresponds to an acid and a value greater than 7 corresponds to a base.

The pOH of a solution is the measure of the [OH] .

The pH of a solution is calculated by the formula, pH=log[H+]

The pOH of a solution is calculated by the formula, pOH=log[OH]

At 25°C , pH+pOH=14

To determine: The pH and the pOH value for the given species in Exercise 45 .

(c)

Interpretation Introduction

Interpretation: The pH and the pOH values for the species in Exercises 45 and 46 are to be calculated.

Concept introduction: The pH of a solution is define as a figure that expresses the acidity of the alkalinity of a given solution. A logarithmic scale is used on which, the value 7 corresponds to a neutral species, a value less than 7 corresponds to an acid and a value greater than 7 corresponds to a base.

The pOH of a solution is the measure of the [OH] .

The pH of a solution is calculated by the formula, pH=log[H+]

The pOH of a solution is calculated by the formula, pOH=log[OH]

At 25°C , pH+pOH=14

To determine: The pH and the pOH value for the given species in Exercise 45 .

(d)

Interpretation Introduction

Interpretation: The pH and the pOH values for the species in Exercises 45 and 46 are to be calculated.

Concept introduction: The pH of a solution is define as a figure that expresses the acidity of the alkalinity of a given solution. A logarithmic scale is used on which, the value 7 corresponds to a neutral species, a value less than 7 corresponds to an acid and a value greater than 7 corresponds to a base.

The pOH of a solution is the measure of the [OH] .

The pH of a solution is calculated by the formula, pH=log[H+]

The pOH of a solution is calculated by the formula, pOH=log[OH]

At 25°C , pH+pOH=14

To determine: The pH and the pOH value for the given species in Exercise 45 .

(a)

Interpretation Introduction

Interpretation: The pH and the pOH values for the species in Exercises 45 and 46 are to be calculated.

Concept introduction: The pH of a solution is define as a figure that expresses the acidity of the alkalinity of a given solution. A logarithmic scale is used on which, the value 7 corresponds to a neutral species, a value less than 7 corresponds to an acid and a value greater than 7 corresponds to a base.

The pOH of a solution is the measure of the [OH] .

The pH of a solution is calculated by the formula, pH=log[H+]

The pOH of a solution is calculated by the formula, pOH=log[OH]

At 25°C , pH+pOH=14

To determine: The pH and the pOH value for the given species in Exercise 46

(b)

Interpretation Introduction

Interpretation: The pH and the pOH values for the species in Exercises 45 and 46 are to be calculated.

Concept introduction: The pH of a solution is define as a figure that expresses the acidity of the alkalinity of a given solution. A logarithmic scale is used on which, the value 7 corresponds to a neutral species, a value less than 7 corresponds to an acid and a value greater than 7 corresponds to a base.

The pOH of a solution is the measure of the [OH] .

The pH of a solution is calculated by the formula, pH=log[H+]

The pOH of a solution is calculated by the formula, pOH=log[OH]

At 25°C , pH+pOH=14

To determine: The pH and the pOH value for the given species in Exercise 46 .

(c)

Interpretation Introduction

Interpretation: The pH and the pOH values for the species in Exercises 45 and 46 are to be calculated.

Concept introduction: The pH of a solution is define as a figure that expresses the acidity of the alkalinity of a given solution. A logarithmic scale is used on which, the value 7 corresponds to a neutral species, a value less than 7 corresponds to an acid and a value greater than 7 corresponds to a base.

The pOH of a solution is the measure of the [OH] .

The pH of a solution is calculated by the formula, pH=log[H+]

The pOH of a solution is calculated by the formula, pOH=log[OH]

At 25°C , pH+pOH=14

To determine: The pH and the pOH value for the given species in Exercise 46 .

(d)

Interpretation Introduction

Interpretation: The pH and the pOH values for the species in Exercises 45 and 46 are to be calculated.

Concept introduction: The pH of a solution is define as a figure that expresses the acidity of the alkalinity of a given solution. A logarithmic scale is used on which, the value 7 corresponds to a neutral species, a value less than 7 corresponds to an acid and a value greater than 7 corresponds to a base.

The pOH of a solution is the measure of the [OH] .

The pH of a solution is calculated by the formula, pH=log[H+]

The pOH of a solution is calculated by the formula, pOH=log[OH]

At 25°C , pH+pOH=14

To determine: The pH and the pOH value for the given species in Exercise 46 .

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