a) Calculate the pH of a solution that has been made by dissolving .250 moles of phenol and .125 moles of sodium phenolate in 1.00 L of H20. b] What

If someone could please help me with this problem, that would be great. Ive attached a picture below

a) Calculate the pH of a solution that has been made by dissolving .250 moles of phenol and .125 moles ofsodium phenolate in 1.00 L of H20. b] What would the pH be after .050 moles sodium hydroxide has been added to the solution preparedabove?