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To precipitate as Ag(2)S(s), all Ag^(+) ...

To precipitate as `Ag_(2)S(s)`, all `Ag^(+)` present in 250mL of a saturated solution of `AgBrO_(3)` requires 3.405 `cm^(3)` of `H_(2)S(g)` measured at STP (Assuming `H_(2)S` is enough soluble in water). `K_(sp)` of `AgBrO_(3)` is :
[`K_(sp)(Ag_(2)S)=10^(-50)`, `K_(a)(H_(2)S)=10^(-21)`].

A

`1.44xx10^(-6)`

B

`2.25xx10^(-7)`

C

`9xx10^(-6)`

D

`2.7xx10^(-7)`

Text Solution

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The correct Answer is:
a
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