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One litre of a saturated solution of AgB...

One litre of a saturated solution of `AgBrO_3` is prepared by adding just sufficient `AgBrO_3` at `27^@C`. To this solution copper wire is dipped such that following redox reaction occures to completion.
`Cu(s)2Ag^+(aq)hArr2Ag(s)+Cu^+2(aq)`
On drying the wire it was observed that it containde 7.04mg less copper than original.
[Atomic weight of Cu =64]
Equivalents of copper reacted in the above conditon:

A

`1.1xx10^-4`

B

`2.2xx10^-4`

C

`5.5xx10^-5`

D

`0.11`

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The correct Answer is:
b
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