What is the pH (to nearest 0.01 pH unit) of a solution prepared by mixing 80.0 mL of 0.529 M HCl and 46.0 mL of 1.150 M NaOH? pH = What is the pH (to nearest 0.01 pH unit) of a solution prepared by mixing 51.0 mL of 0.0401 M NaOH and 86.0 mL of 0.0360 M Ba(OH)2? pH =