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The rate of formation of SO(3) in the fo...

The rate of formation of `SO_(3)` in the following reaction: `2SO_(2) + O_(2) rarr 2SO_(3)` is `10 g sec^(-1)`. The rate of disappearance of `O_(2)` will be

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`-(1)/(2) (d[SO_(2)])/(dt) =(-d[SO_(2)])/(dt) =+(1)/(2) (d[SO_(3)])/(dt) " "therefore" given "(d[SO_(3)])/(dt) =100" g m in"^(-1)=1.25" mol m in"^(-1)`
`therefore (-d[O_(2)])/(dt) =(1)/(2) (d[SO_(3)])/(dt) =(1.25)/(2)" mol m in"^(-1) =(1.25)/(2)xx32" g m in"^(-1) =20" g m in"^(-1)`
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