Chemistry Practice Problems Strong Acid-Base Calculations Practice Problems Solution: Determine the pH of each of the following solution...

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Solution: Determine the pH of each of the following solutions.2.05×10−2 M KOH

Problem

Determine the pH of each of the following solutions.

2.05×10−2 M KOH

Solution

We’re being asked to determine the pH of 2.05 × 10−2 M KOH solution.


Recall that the pH and pOH of a compound determine its acidity and basicity.

• pH

▪ pH stands for the negative logarithmic function of hydronium ion concentration
can be calculated using the following equation:


pH=-log H+

Take note that:         [H+] = [H3O+]


• pOH

▪ pOH stands for the negative logarithmic function of hydroxide concentration
can be calculated using the following equation:

pOH=-log OH-

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