When 220 ML of Liquid Benzene (C₆H₆,d = 0

When 22.0 mL of liquid benzene (C₆H₆,d = 0.879 g/mL) reacts with 34.2 L of oxygen gas,measured at 1.00 atm pressure and 25°C,6.09 × 10² kJ of heat is released at constant pressure.What is ΔH° for the following reaction? (R = 0.0821 L • atm/(K • mol) )
2C₆H₆(l) + 15O₂(g) → 12CO₂(g) + 6H₂O(l)

A) -2.84 × 10¹ kJ
B) -3.7 × 10² kJ
C) -4.92 × 10³ kJ
D) -4.36 × 10² kJ
E) -6.53 × 10³ kJ