Magnesium Burns in Air with a Dazzling Brilliance to Produce

Magnesium burns in air with a dazzling brilliance to produce magnesium oxide: 2Mg(s) + (g) → 2MgO(s)
When 3.00 g of magnesium burns,the theoretical yield of magnesium oxide is ________ g.

A) 3.00
B) 4.98
C) 0.123
D) 2.49
E) 10.0