Consider a solution containing 0.47 M HOCl and 0.67 M NaOCl for the next two questions.

The Ka for HOCl = 3.5E-8.

What is the pH of this solution?

Now calculate the pH of this solution after 0.15 mol of NaOH is added to 1.00 L of the solution.
Assume that the volume does not change when the NaOH is added.

1 answer

Use the Henderson-Hasselbalch equation.