How Many Moles of Sulfur Trioxide Are Formed from 3 $\rightarrow$

How many moles of sulfur trioxide are formed from 3 moles of oxygen using the given balanced equation? 2 SO₂ + O₂ $\rightarrow$ 2 SO₃

A) 1 mol of SO₃
B) 2 mol of SO₃
C) 3 mol of SO₃
D) 5 mol of SO₃
E) 6 mol of SO₃