Potassium Chromate Is Slowly Added to a Solution Containing 0

question 63

Multiple Choice

Potassium chromate is slowly added to a solution containing 0.20 M AgNO₃ and 0.20 M Ba(NO₃) ₂.Describe what happens if the K_sp for Ag₂CrO₄ is 1.1 × 10^-12 and the K_sp of BaCrO₄ is 1.2 × 10^-10.

• A)The BaCrO₄ precipitates first out of solution.
• B)The Ag₂CrO₄ precipitates first out of solution and then BaCrO₄ precipitates.
• C)Both BaCrO₄ and Ag₂CrO₄ precipitate simultaneously out of solution.
• D)Neither BaCrO₄ nor Ag₂CrO₄ precipitates out of solution.