Question

according to the balanced chemical equation 2SO2<--- 2 is a subscript...so anyway it's 2SO2+ O2 ----> 2SO3

How many liters of oxygen would be needed to produce 0.5 moles of sulfur trioxide, SO3?
At what pressure and temperature? STP?
0.5 mol SO3 will need 1/2 that or 0.25 mol O2.
1 mol O2 occupies 22.4L @ STP so 0.25 mol will occupy ......
yes its assuming at STP

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