SO₂ Reacts with O₂ to Produce SO₃

question 29

Multiple Choice

SO₂ reacts with O₂ to produce SO₃. If 86.0 g of SO₂ is placed in a reaction vessel along with excess oxygen gas, how many moles of SO₂ remain when 50.0 g of SO₃ have been formed?

• A)0.56 mol
• B)0.62 mol
• C)0.72 mol
• D)0.78 mol
• E)1.34 mol

---

Definitions:

Directing Conversation

The practice of guiding and controlling the flow of dialogue in a discussion or interaction.

Anger

A strong emotional response to a perceived provocation, frustration, or injustice.

Recovery

The process of returning to a state of health or normality following illness, injury, or treatment.

Grief

An emotional response to loss, particularly to the loss of someone or something that the individual has formed a bond with.