17.24 A buffer is prepared by adding 3.5 g of ammonium chloride
(NHCI) to 100 mL of 1.00 M NH3 solution. (a) What is the
pH of this buffer? (b) Write the complete ionic equation for
the reaction that occurs when a few drops of hydrochloric
acid are added to the buffer. (c) Write the complete ionic
equation for the reaction that occurs when a few drops of
sodium hydroxide solution are added to the buffer.