While performing a thermodynamics experiment, a student made the following observations, HCl + NaOH — Thermodynamics and Thermochemistry Chemistry Question

Question

While performing a thermodynamics experiment, a student made the following observations, HCl + NaOH NaCl + H O H = –57.3 kJ mol CH COOH + NaOH CH COONa + H O H = –55.3 kJ mol . The enthalpy of ionization of CH COOH as calculated by the student is ______ kJ mol . (nearest integer) 2 –1 3 3 2 –1 3 –1