The Combustion of Octane Produces Heat According to the Equation $\rarr$

The combustion of octane produces heat according to the equation 2C₈H₁₈(l) + 25O₂(g) $\rarr$ 16CO₂(g) + 18H₂O(l) $\Delta$ H°_rxn= -11,020 kJ/mol
What is the heat of combustion per gram of octane?

A) -5,510 kJ/g
B) -96.5 kJ/g
C) -48.2 kJ/g
D) -193 kJ/g
E) -6.292 * 10⁵ kJ/g