Ammonia is a convenient buffer system in the slightly basic range.
(a) What is the pH of a buffer solution containing 48 g of NH4Cl dissolved in 1.00 L of 0.959 M NH3?
(b) How many moles of acid are required to change the pH of this solution by 0.03 pH units?
(c) Suppose 5.6 mL of 12.8 M HCl solution is added to 288 mL of the solution of Part (a). Calculate the new pH.