0.10 M potassium chromatic is slowly added to a solution containing 0.40 M AgNO ₃ and 0.40 M Ba(NO ₃ ) ² . What is the Ag+ concentration when BaCrO ₄ just starts to precipitate? The K sp for Ag ₂ CrO ₄ and BaCrO4 are 1.1 × 10-12 and respectively.

6.5 × 10-5 M

3.2 × 10-4 M

1.3 × 10-4 M

6.1 × 10-2 M

Answer rating: 100% (QA)

K 2 CrO 4 2K CrO42 Conc CrO42 01M BaNO 3 2 Ba 2 2NO 3 conc Ba ... View the full answer