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Consider the reaction : S(2)O(8)^(2-...

Consider the reaction :
`S_(2)O_(8)^(2-)(aq)+2I^(-)(aq)rarrI_(2)(aq)+2SO_(4)^(2-)(aq),`
What is the rate of consumption of `I^(-)(aq)` if the rate of formation of `I_(2)(aq) " is x mol .L "^(-1).s^(-1)` ?

Text Solution

Verified by Experts

`-(1)/(2)(d[I])/(dt)=(d[I_(2)])/(dt)`
or, `-(d[I])/(dt)=2xx(d[I_(2)])/(dt)=2x. "mol".L^(-1)s^(-1)`
`" " [because (d[I_(2)])/(dt)=x"mol"^(-1).L^(-1)s^(-1)]`
so , the rate of consumption of `I^(-)(aq) " is " 2"xmol.L"^(-1).s^(-1)`
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