Question

To precipitate as Ag2S(s), all Ag+ present in 250 ml of a saturated solution of AgBrO3 requires 3.36 cm3 ofH2S(g) measured at STP (Assuming H2S is enough soluble in water). Ksp of AgBrO3 is :[Ksp(Ag2S) = 10–50, Ka(H2S) = 10–21]