What is the pH of a solution made by dissolving 2.81 grams ofcalcium fluoride in enough water to make 450 mL of solution? The Kafor HF is 6.8x10–4.
Write a chemical equation for the hydrolysis reaction thatexplains why an aqueous solution of CH3NH3Cl is acidic.
Calculate the pH of a 1.22×10-2 M solution of thedecongestant ephedrine hydrochloride if the pKb of ephedrine (itsconjugate base) is 3.86.