010 M Potassium Chromate Is Slowly Added to a Solution

question 84

Multiple Choice

0.10 M potassium chromate is slowly added to a solution containing 0.10 M AgNO₃ and 0.10 M Ba(NO₃) ₂.What is the Ag⁺ concentration when BaCrO₄ just starts to precipitate? The K_sp for Ag₂CrO₄ and BaCrO₄ are 1.1 × 10^-12 and 1.2 × 10^-10,respectively.

• A)6.5 × 10^-5 M
• B)1.3 × 10^-4 M
• C)3.2 × 10^-4 M
• D)3.0 × 10^-2 M

---

Definitions:

Incremental Change

Small, gradual modifications made in a process, system, or product over time to improve efficiency or quality.

HR Plans

Strategic outlines developed by the human resources department of an organization to manage and support its workforce in alignment with its overall goals.

Outsourcing

The business practice of hiring a party outside a company to perform services and create goods that traditionally were performed in-house by the company's own employees and staff.

Incremental Change

Gradual adjustments or improvements made over time to processes, strategies, or products, rather than major transformations or innovations.