Solid Aluminum and Gaseous Oxygen React in a Combination Reaction

Multiple Choice

Solid aluminum and gaseous oxygen react in a combination reaction to produce aluminum oxide: 4Al (s) + 3O₂ (g) → 2Al₂O₃ (s)
In a particular experiment,the reaction of 2.5 g of Al with 2.5 g of O₂ produced 3.5 g of Al₂O₃.The % yield of the reaction is ________.

A) 74
B) 37
C) 47
D) 66
E) 29