28.3 mL HCl of unknown concentration is neutralized by 33.2 mL of 0.25 M NaOH. . a) Write the balanced chemical reaction between HCl and NaOH. b) Calculate the concentration of the HCl. c) Calculate [H3O ] of the HCl. d) Calculate [OH-] of the NaOH. e) What is the pH of the HCl