16.4 The pH Scale

• pH scale defined to make it easier to refer to relative [H3O+] or [OH-] values

• pH = -log [H3O+], pOH = -log [OH-]

• pH = 0, [H3O+] = 1.0 M

• pH = 14, [H3O+] = 1.0 x 10-14 M

• pH = 7, [H3O+] = 1.0 x 10-7 M

Previous slide

Next slide

Back to first slide

View graphic version