What is DH°for the following reaction? C6H6(l) 15/2 O2(g) ® 6CO2(g) 3H2O(l) Given the following information C6H6(l) ®6C(graphite) 3H2(g) DH° = -49.0 kJ/mol 6C(graphite) 6O2(g) ® 6CO2(g) DH° = –2361 kJ/mol 3H2(g) 3/2O2(g) ® 3H2O(l) DH° = -857.4 kJ/mol A. –630.3 kJ/mol B. –2597.8 kJ/mol