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The rate of dissappearance of SO(2) in t...

The rate of dissappearance of `SO_(2)` in the reaction, `2SO_(2) + O_(2) to 2SO_(3)` is `1.28 xx 10^(-5) M s^(-1)`. The rate appearance of `SO_(3)` is

A

`1.6xx10^(-3) kg//mi n^(-1)`

B

`8xx10^(-4) kg//mi n^(-1)`

C

`3.2xx10^(-3)kg mi n^(-1)`

D

`1.28xx10^(-3)kg mi n^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
D
`(dSO_(3))/(dt)=1.6xx10^(-3) Kg//min`
`=(1.6xx10^(-3)1000)/(80)mol//min`
`(dSO_(2))/(2dt)-(-dO_(2))/(dt)=(dSO_(3))/(2dt)`
`(-dSO_(2))/(dt)=(1.6)/(80)mol//min`
`(1.6)/(80)xx64xx10^(-3)kg//mol`
`=1.28xx10^(-3)mol//min`
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