8. Using the following thermochemical data: 2Ga(s)+6HF(g) 2GaFз(s) + 3H2(g) -> -> 2Ga(s)+6HCl(g) → 2GaClз(s) + 3H2(g) calculate AH° for the following reaction: GaF3(s)+3HCl(g) → GaClз(s) + 3HF(g) A. -1195.0 kJ/mol B. 203.8 kJ/mol C. 101.9 kJ/mol D. 407.6 kJ/mol E. -597.5 kJ/mol AH-699.4 kJ/mol AH°=-495.6 kJ/mol