Concept explainers
(a)
Interpretation:
The concentration of hydrogen ion
Concept Introduction:
The concentration of hydrogen ions in a solution determines the acidity of a solution. If concentration of hydrogen ion is more than the solution is more acetic, if it is low, solution is less acidic.
The pH of solution is defined as negative log of hydrogen ion concentration thus, it can be calculated as follows:
Here,
Similarly, pOH of a solution is defined as negative log of hydroxide ion concentration thus, it can be calculated as follows:
Here,
pH and pOH of a solution are related to each other as follows:
In a pH scale, if the value of pH is below 7 the solution is said to be acidic in nature, if the Ph value is above 7 it is said to be basic in nature. At pH 7, the solution is neutral.
Answer to Problem 31QAP
Explanation of Solution
Given Information:
The concentration of hydroxide ion is
Calculation:
From the given hydroxide ion concentration, pOH of solution can be calculated as follows:
Putting the values,
From the pOH, pH of solution can be calculated as follows:
Putting the value,
Thus, concentration of hydrogen ion will be:
On rearranging,
Putting the value,
Thus, concentration of hydrogen ion is
Since, pH of solution is above 7, the solution is basic in nature.
(b)
Interpretation:
The concentration of hydrogen ion
Concept Introduction:
The concentration of hydrogen ions in a solution determines the acidity of a solution. If concentration of hydrogen ion is more than the solution is more acetic, if it is low, solution is less acidic.
The pH of solution is defined as negative log of hydrogen ion concentration thus, it can be calculated as follows:
Here,
Similarly, pOH of a solution is defined as negative log of hydroxide ion concentration thus, it can be calculated as follows:
Here,
pH and pOH of a solution are related to each other as follows:
In a pH scale, if the value of pH is below 7 the solution is said to be acidic in nature, if the Ph value is above 7 it is said to be basic in nature. At pH 7, the solution is neutral.
Answer to Problem 31QAP
Explanation of Solution
Given information:
The concentration of hydroxide ion is
Calculation:
From the given hydroxide ion concentration, pOH of solution can be calculated as follows:
Putting the values,
From the pOH, pH of solution can be calculated as follows:
Putting the value,
Thus, concentration of hydrogen ion will be:
On rearranging,
Putting the value,
Thus, concentration of hydrogen ion is
Since, pH of solution is below 7, the solution is acidic in nature.
(c)
Interpretation:
The concentration of hydrogen ion
Concept Introduction:
The concentration of hydrogen ions in a solution determines the acidity of a solution. If concentration of hydrogen ion is more than the solution is more acetic, if it is low, solution is less acidic.
The pH of solution is defined as negative log of hydrogen ion concentration thus, it can be calculated as follows:
Here,
Similarly, pOH of a solution is defined as negative log of hydroxide ion concentration thus, it can be calculated as follows:
Here,
pH and pOH of a solution are related to each other as follows:
In a pH scale, if the value of pH is below 7 the solution is said to be acidic in nature, if the Ph value is above 7 it is said to be basic in nature. At pH 7, the solution is neutral.
Answer to Problem 31QAP
Explanation of Solution
Given information:
The concentration of hydroxide ion is
Calculation:
From the given hydroxide ion concentration, pOH of solution can be calculated as follows:
Putting the values,
From the pOH, pH of solution can be calculated as follows:
Putting the value,
Thus, concentration of hydrogen ion will be:
On rearranging,
Putting the value,
Thus, concentration of hydrogen ion is
Since, pH of solution is above 7, the solution is basic in nature.
(d)
Interpretation:
The concentration of hydrogen ion
Concept Introduction:
The concentration of hydrogen ions in a solution determines the acidity of a solution. If concentration of hydrogen ion is more than the solution is more acetic, if it is low, solution is less acidic.
The pH of solution is defined as negative log of hydrogen ion concentration thus, it can be calculated as follows:
Here,
Similarly, pOH of a solution is defined as negative log of hydroxide ion concentration thus, it can be calculated as follows:
Here,
pH and pOH of a solution are related to each other as follows:
In a pH scale, if the value of pH is below 7 the solution is said to be acidic in nature, if the Ph value is above 7 it is said to be basic in nature. At pH 7, the solution is neutral.
Answer to Problem 31QAP
Explanation of Solution
Given information:
The concentration of hydroxide ion is
Calculation:
From the given hydroxide ion concentration, pOH of solution can be calculated as follows:
Putting the values,
From the pOH, pH of solution can be calculated as follows:
Putting the value,
Thus, concentration of hydrogen ion will be:
On rearranging,
Putting the value,
Thus, concentration of hydrogen ion is
Since, pH of solution is below 7, the solution is acidic in nature.
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Chapter 16 Solutions
Introductory Chemistry: A Foundation
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