The pH is given for three solutions. Calculate [H+] and [OH -] in each solution.
(a) pH = 2.17
[H+]
?M
[OH-]
?M

(b) pH = 12.27
[H+]
?M
[OH-]
?M

(c) pH = 5.96
[H+]
?M
[OH-]
?M