Answer:
300 dm³
Step-by-step explanation:
According to the information given in this problem, SO₂ is 24 dm³/mol at rtp.
We are trying to find the volume of 12.5 moles of SO₂, so we can do the following math to solve:
12.5 mol SO₂ × 24 dm³/mol ⇒ mol cancels out, leaving us with dm³
300 dm³
Therefore, the volume occupied is 300 dm³