How Much Heat Is Absorbed When 50

How much heat is absorbed when 50.00 g of C(s) reacts in the presence of excess SO₂(g) to produce CS₂(l) and CO(g) according to the following chemical equation? 5C(s) + 2SO₂(g) → CS₂(l) + 4CO(g) Δ_rH° = 239.9 kJ

A) 199.7 kJ mol^-1
B) 239.9 kJ mol^-1
C) 998.3 kJ mol^-1
D) 2398 kJ mol^-1