Introductory Chemistry: An Active Learning Approach
Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN: 9781305079250
Author: Mark S. Cracolice, Ed Peters
Publisher: Cengage Learning
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Chapter 17, Problem 57E
Interpretation Introduction

Interpretation:

The values of pOH, [H+], and [OH] of a 0.20M ammonium nitrate solution is to be calculated.

Concept introduction:

The pH of a solution can be determined by taking the negative logarithm of the concentration of hydrogen ions in a solution. The pOH of a solution can be determined by taking the negative logarithm of the concentration of OH ions in a solution. The sum of pH and pOH is equal to 14.

Expert Solution & Answer
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Answer to Problem 57E

The values of pOH, [H+], and [OH] of a 0.20M ammonium nitrate solution are equal to 9.04, 1.1×105M and 9.1×1010M respectively.

Explanation of Solution

The pH of a 0.20M ammonium nitrate solution is 4.96.

The value of pOH is calculated by the formula given below.

pOH=14pH

Substitute the value of pH in the above equation.

pOH=14pH=144.96=9.04

Therefore, the value of pOH of the solution is equal to 9.04.

The concentration of H+ ions is calculated by the formula given below.

[H+]=10pH

Substitute the value of pH in the above expression.

[H+]=10pH=104.96=1.09×105M1.1×105M

Therefore, the value of concentration of H+ ions is equal to 1.1×105M.

The value of ionic product of water (Kw=1014) is calculated by the formula given below.

[H+][OH]=Kw

Rearrange the above equation to obtain the value of [OH].

[H+][OH]=Kw[OH]=Kw[H+]

Substitute the values of Kw and [H+] in the above expression.

[OH]=Kw[H+]=10141.1×105=9.09×1010M9.1×1010M

Therefore, the value of concentration of OH ions is equal to 9.1×1010M.

Conclusion

The value of pOH of 0.20M ammonium nitrate solution is equal to 9.04, the value of H+ ions is equal to 1.1×105M and the value of [OH] is equal to 9.1×1010M.

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Chapter 17 Solutions

Introductory Chemistry: An Active Learning Approach

Ch. 17 - Prob. 11ECh. 17 - Prob. 12ECh. 17 - Prob. 13ECh. 17 - In the following net ionic reaction, identify each...Ch. 17 - Prob. 15ECh. 17 - Prob. 16ECh. 17 - Prob. 17ECh. 17 - Prob. 18ECh. 17 - Prob. 19ECh. 17 - Prob. 20ECh. 17 - Prob. 21ECh. 17 - Prob. 22ECh. 17 - List the following bases in order of their...Ch. 17 - Prob. 24ECh. 17 - Prob. 25ECh. 17 - Prob. 26ECh. 17 - Prob. 27ECh. 17 - Prob. 28ECh. 17 - Prob. 29ECh. 17 - Prob. 30ECh. 17 - Prob. 31ECh. 17 - Prob. 32ECh. 17 - Prob. 33ECh. 17 - Prob. 34ECh. 17 - Prob. 35ECh. 17 - Prob. 36ECh. 17 - Prob. 37ECh. 17 - Prob. 38ECh. 17 - Prob. 39ECh. 17 - Prob. 40ECh. 17 - Prob. 41ECh. 17 - Prob. 42ECh. 17 - Prob. 43ECh. 17 - Prob. 44ECh. 17 - If the pH of a solution is 8.6, is the solution...Ch. 17 - Prob. 46ECh. 17 - Prob. 47ECh. 17 - Prob. 48ECh. 17 - Prob. 49ECh. 17 - Prob. 50ECh. 17 - Prob. 51ECh. 17 - Prob. 52ECh. 17 - Prob. 53ECh. 17 - Prob. 54ECh. 17 - Prob. 55ECh. 17 - Prob. 56ECh. 17 - Prob. 57ECh. 17 - Prob. 58ECh. 17 - Prob. 59ECh. 17 - Prob. 60ECh. 17 - Prob. 61ECh. 17 - Prob. 62ECh. 17 - Prob. 63ECh. 17 - Classify each of the following statements as true...Ch. 17 - Prob. 65ECh. 17 - Explain what amphoteric means. Give an example of...Ch. 17 - Prob. 67ECh. 17 - Prob. 68ECh. 17 - Prob. 69ECh. 17 - Prob. 70ECh. 17 - Prob. 71ECh. 17 - Prob. 72ECh. 17 - Prob. 73ECh. 17 - Prob. 74ECh. 17 - Prob. 75ECh. 17 - Prob. 76ECh. 17 - According to the Arrhenius theory of acids and...Ch. 17 - Prob. 17.2TCCh. 17 - Prob. 17.3TCCh. 17 - Prob. 17.4TCCh. 17 - Write a brief description of the relationships...Ch. 17 - Prob. 2CLECh. 17 - Prob. 3CLECh. 17 - Prob. 4CLECh. 17 - Write a brief description of the relationships...Ch. 17 - Prob. 6CLECh. 17 - Prob. 7CLECh. 17 - Prob. 8CLECh. 17 - Prob. 9CLECh. 17 - Prob. 10CLECh. 17 - Prob. 11CLECh. 17 - Prob. 1PECh. 17 - Prob. 2PECh. 17 - Prob. 3PECh. 17 - Prob. 4PECh. 17 - Write the net ionic equation for the reaction...Ch. 17 - Prob. 6PECh. 17 - Prob. 7PECh. 17 - Prob. 8PECh. 17 - Prob. 9PECh. 17 - Prob. 10PECh. 17 - Prob. 11PECh. 17 - Prob. 12PECh. 17 - Prob. 13PECh. 17 - Prob. 14PECh. 17 - What are the pOH, hydroxide ion concentration, and...
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