How Much Energy Would Be Released If $2.0 \mathrm {~kg}$ Of Material Was Lost During a Reaction

Multiple Choice

How much energy would be released if $2.0 \mathrm {~kg}$ of material was lost during a reaction? $\left( c = 3.0 \times 10 ^ { 8 } \right.$ $\mathrm { m } / \mathrm { s }$ )

A) $6.0 \times 10 ^ { 8 } \mathrm {~J}$
B) $1.5 \times 10 ^ { 16 } \mathrm {~J}$
C) $1.8 \times 10 ^ { 17 } \mathrm {~J}$
D) $4.7 \times 10 ^ { - 8 } \mathrm {~J}$