Calculate the pH of a solution in which

a. [H3O+] = 7.8 x 10-7 M

b. [H3O+] = 5.1 x 10-6 M

c. [H3O+] = 6.1 x 10-5 M

d. [H3O+] = 9.3 x 10-4 M

1 answer

See your post above.