Answer to Question #345617 in General Chemistry for Mic

Question

If 1.5 moles of O2 are reacted, how many moles of SO3 will be produced? 

A. 1.5 mol SO3

B. 3 mol SO3

C. 0.270 g O2

D. 4.33 g O2

Answer 1

O₂ + 2SO₂ => 2SO₃

1mol O₂ — 2mol SO₃

1,5mol O₂ — X mol SO₃

X = 1,5 * 2 / 1 = 3mol

ANSWER: B. 3 mol SO₃