Please help with this chemistry problem!?

2017-03-16 1:09 am
I have no idea how to do this, so if someone could help it would be very much appreciated.

"Find the volume of oxygen gas that reacts with 10dm3 of sulphur dioxide gas measured at the same temperature and pressure

2SO2(g) + O2(g) --> 2SO3(g)

回答 (1)

2017-03-16 1:19 am
✔ 最佳答案
At the same temperature and pressure, the volume ratio is equal to the mole ratio.

2SO₂(g) + O₂(g) → 2SO₃(g)
Volume ratio SO₂ : O₂ = 2 : 1

Volume of SO₂ reacted = 10 dm³
Volume of O₂ needed = (10 dm³) × (1/2) = 5 dm³


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