How Much Heat in Kilojoules Is Given Off When 4 $\Delta$

How much heat in kilojoules is given off when 4.80 g of carbon are burned to produce carbon dioxide, if $\Delta$ 0H_rxn° for the combustion of carbon to form CO₂ is -394 kJ/mol_rxn?

A) 82.1 kJ
B) 158 kJ
C) 394 kJ
D) 985 kJ
E) 1.89 x 10³ kJ