Solid Nal is slowly added to a solution that is 0.0079 M Cu* and 0.0077 M Ag*. Which compound will begin to precipitate first? Nal Cul AgI Calculate [Ag*] when Cul just begins to precipitate. X 10 M Enter your answer in scientific notation. What percent of Ag* remains in solution at this point?

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**Problem Statement:**

Be sure to answer all parts.

Solid NaI is slowly added to a solution that is 0.0079 M Cu\(^+\) and 0.0077 M Ag\(^+\).

**Question 1:**  
Which compound will begin to precipitate first?  
- NaI  
- CuI  
- AgI  

**Question 2:**  
Calculate [Ag\(^+\)] when CuI just begins to precipitate.  
Enter your answer in scientific notation.  
\[ \_\_\_ \times 10^{\_\_\_} \, \text{M} \]

**Question 3:**  
What percent of Ag\(^+\) remains in solution at this point?  
\[ \_\_\_ \% \]

---

**Graph/Diagram Description:**

The table below lists the solubility products (K\(_{sp}\)) of some slightly soluble ionic compounds at 25°C:

| Compound | K\(_{sp}\) | Compound | K\(_{sp}\) |
|----------|------------|----------|------------|
| Aluminum hydroxide [Al(OH)₃] | 1.8 × 10\(^{-33}\) | Lead(II) chromate (PbCrO₄) | 2.0 × 10\(^{-16}\) |
| Barium carbonate (BaCO₃) | 8.1 × 10\(^{-9}\)  | Lead(II) fluoride (PbF₂) | 4.1 × 10\(^{-8}\)  |
| Barium fluoride (BaF₂) | 1.0 × 10\(^{-6}\)  | Lead(II) iodide (PbI₂) | 7.9 × 10\(^{-9}\)  |
| Barium sulfate (BaSO₄) | 1.1 × 10\(^{-10}\) | Lead(II) sulfate (PbS) | 3.4 × 10\(^{-28}\) |
| Bismuth sulfide (Bi₂S₃) | 1.6 × 10\(^{-72}\) | Lead(II) sulfide (PbS) | 3.4 × 10\(^{-28}\) |
| Cadmium sulfide (CdS) | 1.0 × 10\(^{-28}\) |
Transcribed Image Text:**Problem Statement:** Be sure to answer all parts. Solid NaI is slowly added to a solution that is 0.0079 M Cu\(^+\) and 0.0077 M Ag\(^+\). **Question 1:** Which compound will begin to precipitate first? - NaI - CuI - AgI **Question 2:** Calculate [Ag\(^+\)] when CuI just begins to precipitate. Enter your answer in scientific notation. \[ \_\_\_ \times 10^{\_\_\_} \, \text{M} \] **Question 3:** What percent of Ag\(^+\) remains in solution at this point? \[ \_\_\_ \% \] --- **Graph/Diagram Description:** The table below lists the solubility products (K\(_{sp}\)) of some slightly soluble ionic compounds at 25°C: | Compound | K\(_{sp}\) | Compound | K\(_{sp}\) | |----------|------------|----------|------------| | Aluminum hydroxide [Al(OH)₃] | 1.8 × 10\(^{-33}\) | Lead(II) chromate (PbCrO₄) | 2.0 × 10\(^{-16}\) | | Barium carbonate (BaCO₃) | 8.1 × 10\(^{-9}\) | Lead(II) fluoride (PbF₂) | 4.1 × 10\(^{-8}\) | | Barium fluoride (BaF₂) | 1.0 × 10\(^{-6}\) | Lead(II) iodide (PbI₂) | 7.9 × 10\(^{-9}\) | | Barium sulfate (BaSO₄) | 1.1 × 10\(^{-10}\) | Lead(II) sulfate (PbS) | 3.4 × 10\(^{-28}\) | | Bismuth sulfide (Bi₂S₃) | 1.6 × 10\(^{-72}\) | Lead(II) sulfide (PbS) | 3.4 × 10\(^{-28}\) | | Cadmium sulfide (CdS) | 1.0 × 10\(^{-28}\) |
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