The Value Of $\Delta$ H ^$\circ$ _rxn for the Following Reaction Is -6535 KJ/mol

Multiple Choice

The value of $\Delta$ H ^$\circ$ _rxn for the following reaction is -6535 kJ/mol.2C₆H₆(l) + 15O₂(g) $\rarr$ 12CO₂(g) + 6H₂O(g) How many kilojoules of heat will be evolved during the combustion of 16.0 g of C₆H₆(l)

A) 689 kJ
B) 679 kJ
C) 669 kJ
D) 659 kJ
E) None of the above