Recently Added Formulas in Chemistry

· Chemical Reactions
· Raoult's Law
· Cations and Anions
· Hess' Law
· pH and pOH

Additional Formulas

· Ideal Gas Law
· Henry's Law
· Hess' Law
· Raoult's Law
· Chemical Formulas
· Chemical Reactions
· Strength of Common Acids
· Strength of Common Bases
· Cations and Anions
· Molar Enthalpy

Current Location > Formulas in Chemistry > Chemistry (Basics) > pH and pOH

pH and pOH

To calculate the concentration of [H3O+] and [OH-], we can use the following formulas:

pH = -log([H3O+])
pH = -log([H3O+])

At temperature 25 Celsius, we have: