Question

If 17.3 g SO₂ are reacted, how much O₂

is consumed?

Molar masses: 32.0 g/mol O₂, 64.0 g/mol SO2

A. 17.3 g O2

C. 0.270 g O2

B. 0.135 g O2

D. 4.33 g O2

Answer 1

Solution:

Balanced chemical equation:

2SO₂ + O₂ → 2SO₃

According to stoichiometry:

Answer: D. 4.33 g O₂