7.50 The degree of ionization of a 0.1M bromoacetic acid solution is 0.132. Calculate the pH of the solution and the pKa of bromoacetic acid.

Degree of ionization, α = 0.132

Concentration, c = 0.1 M

Thus, the concentration of ${\mathrm{H}}_{3}\mathrm{O}$+ = c.α

= 0.1 × 0.132

= 0.0132