The bond dissociation enthalpies of the H–H bond and the H–Cl bond are 435 kJ mol–1 and 431 kJ mol–1 — Thermodynamics Chemistry Question

The bond dissociation enthalpies of the H–H bond and the H–Cl bond are 435 kJ mol–1 and 431 kJ mol–1, respectively. The ∆Hºf of HCl(g) is –92 kJ mol–1. What is the bond dissociation enthalpy of the Cl–Cl bond?