When 100.0 mL of the HCI solution had been added to5.00.0 mL of 0.300 M NH3 (aq), she measured the pH of the mixture and found it was 9.54 A student does a large scale titration of NH3 (aq) (pKb = 4.76) with HCI (aq). How can calculate the morality of the HCI solution.