Answer to Question #285687 in Chemistry for neg

Question

 A 3.650-g sample containing bromate and bromide was dissolved in sufficient water to give 

290.0 mL. After acidification, silver nitrate was introduced to a 25.00-mL aliquot to precipitate 

AgBr, which was fil- tered, washed, and then redissolved in an ammoniacal solution of potassium 

tetracyanonickelate(II)

Answer 1

Ni(CN)₄^2- + 2 AgBr_(s) → 2Ag(CN)₂^- + Ni²⁺ + 12Br^-