What Volume of Dinitrogen Pentoxide Gas Is Produced When 500 $\rarr$

Multiple Choice

What volume of dinitrogen pentoxide gas is produced when 500.mL of oxygen react completely in the following equation? 2 N₂(g) + 5 O₂(g) $\rarr$ 2 N₂O₅(g)

A) 500.mL
B) 400.mL
C) 1250 mL
D) 200.mL