Calculate the \(\mathrm{pH}\) after \(0.020 \mathrm{~mol}\) of \(\mathrm{NaOH}\) is added to \(1.00 \mathrm{~L}\) of the solution in Exercise 24, and calculate the \(\mathrm{pH}\) after \(0.020 \mathrm{~mol}\) of \(\mathrm{HCl}\) is added to \(1.00 \mathrm{~L}\) of the solution in Exercise 24.

Data from Exercises 24

Calculate the pH of a solution that is 0.100 M HONH₂  and 0.100 M HONH₃Cl.