(a)
Interpretation: The hydroxide ion concentration needs to be calculated for the solution with a pH value of 6.00.
Concept Introduction: From the pH of a solution, pOH can be calculated as follows:
Here, pOH is the negative log of hydroxide ion concentration in a solution; thus, the concentration of hydroxide ion can be calculated as follows:
Thus,
(a)
Explanation of Solution
The given solution has a pH value of 6.00. The pOH of the solution can be calculated as follows:
Or,
Now, from the calculated pOH value, hydroxide ion concentration can be calculated as follows:
Or,
Therefore, the hydroxide ion concentration of the solution is
(b)
Interpretation: The hydroxide ion concentration needs to be calculated for the solution with a pH value of 9.00.
Concept Introduction: From the pH of a solution, pOH can be calculated as follows:
Here, pOH is the negative log of hydroxide ion concentration in a solution; thus, the concentration of hydroxide ion can be calculated as follows:
Thus,
(b)
Explanation of Solution
The given solution has a pH value of 6.00. The pOH of the solution can be calculated as follows:
Or,
Now, from the calculated pOH value, hydroxide ion concentration can be calculated as follows:
Or,
Therefore, the hydroxide ion concentration of the solution is
(c)
Interpretation: The hydroxide ion concentration needs to be calculated for the solution with a pH value of 12.00.
Concept Introduction: From the pH of a solution, pOH can be calculated as follows:
Here, pOH is the negative log of hydroxide ion concentration in a solution; thus, the concentration of hydroxide ion can be calculated as follows:
Thus,
(c)
Explanation of Solution
The given solution has a pH value of 6.00. The pOH of the solution can be calculated as follows:
Or,
Now, from the calculated pOH value, hydroxide ion concentration can be calculated as follows:
Or,
Therefore, the hydroxide ion concentration of the solution is
Chapter 19 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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