Calculate the OH- and H3O+ concentrations of a solution that has a pH of 12.11. Is the solution acidic, basic, or neutral?
pH = -log[H3O+]
H3O+ = 10^-pH =10^-12.11=7.76x10^-13
To calculate OH- is 14=pH+POH-
Since the pH of the solution is greater than 7 it is basic