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Ag Br(s) + 2S2O(3(aq) ) ^(2-) hArr Ag (S...

`Ag Br_(s) + 2S_2O_(3(aq) ) ^(2-) hArr Ag (S_2O_3)_(2(aq) ) ^(3-) +Br_(aq) ^(-) `
[Using : ` K_(sp) (AgBr) = 5xx 10 ^(-13) K_(f) (Ag(S_2O_3) _2^(3-) ) =5xx 10^(13) ]`
What is the molar solubility of AgBr in 0.1 M `Na_2S_2O_3`

A

0.5 M

B

0.45 M

C

0.045 M

D

None of these

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