Hi Guys!!! Dissociation constant of propionic acid at 25 degree celsius is 1.34 x 10^-5. Calculate the degree of dissociation and pH om 0.1M acid. Ans: degree of dissociation=0.115 pH=2.93 now my dear friends i have calculated the pH already from the formual correctly. Now please tell me that how can i find this degree of dissociation because i donot know any formula in finding it out.PLease help.