Question 11 What is the molar solubility of FeCO3 in a 0.250 M solution of Na₂CO3? O 1.1 x 10-11 M ○ 4.6 x 10 M O 4.4 x 10-22 M O 8.4 x 10-11 M O 0.25 M

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**Question 11**

What is the molar solubility of FeCO₃ in a 0.250 M solution of Na₂CO₃?

- ○ 1.1 x 10⁻¹¹ M
- ○ 4.6 x 10⁻⁶ M
- ○ 4.4 x 10⁻²² M
- ○ 8.4 x 10⁻¹¹ M
- ○ 0.25 M
Transcribed Image Text:**Question 11** What is the molar solubility of FeCO₃ in a 0.250 M solution of Na₂CO₃? - ○ 1.1 x 10⁻¹¹ M - ○ 4.6 x 10⁻⁶ M - ○ 4.4 x 10⁻²² M - ○ 8.4 x 10⁻¹¹ M - ○ 0.25 M
### Solubility Product Constants at 25°C

This table presents the solubility product constants (\(K_{sp}\)) for various compounds at 25°C. These values indicate the solubility of sparingly soluble salts in water, with lower values representing less soluble compounds.

| Compound       | \(K_{sp}\)        |
|----------------|-------------------|
| BaF₂           | \(2.4 \times 10^{-5}\) |
| CuCl(s)        | \(1.9 \times 10^{-7}\) |
| PbF₂           | \(4.0 \times 10^{-8}\) |
| AgCl(s)        | \(1.6 \times 10^{-10}\) |
| FeCO₃          | \(2.1 \times 10^{-11}\) |
| Mn(OH)₂        | \(2.0 \times 10^{-13}\) |
| AuCl(s)        | \(2.0 \times 10^{-13}\) |
| Cd(OH)₂        | \(1.2 \times 10^{-14}\) |

### Explanation:

- **BaF₂** has a relatively high \(K_{sp}\), signifying it is relatively more soluble compared to other compounds listed here.
- **Cd(OH)₂** has the lowest \(K_{sp}\) in this table, indicating it is the least soluble under these conditions.
- Comparing the given values helps in understanding the solubility trends of different compounds, important for various chemical and industrial applications.
Transcribed Image Text:### Solubility Product Constants at 25°C This table presents the solubility product constants (\(K_{sp}\)) for various compounds at 25°C. These values indicate the solubility of sparingly soluble salts in water, with lower values representing less soluble compounds. | Compound | \(K_{sp}\) | |----------------|-------------------| | BaF₂ | \(2.4 \times 10^{-5}\) | | CuCl(s) | \(1.9 \times 10^{-7}\) | | PbF₂ | \(4.0 \times 10^{-8}\) | | AgCl(s) | \(1.6 \times 10^{-10}\) | | FeCO₃ | \(2.1 \times 10^{-11}\) | | Mn(OH)₂ | \(2.0 \times 10^{-13}\) | | AuCl(s) | \(2.0 \times 10^{-13}\) | | Cd(OH)₂ | \(1.2 \times 10^{-14}\) | ### Explanation: - **BaF₂** has a relatively high \(K_{sp}\), signifying it is relatively more soluble compared to other compounds listed here. - **Cd(OH)₂** has the lowest \(K_{sp}\) in this table, indicating it is the least soluble under these conditions. - Comparing the given values helps in understanding the solubility trends of different compounds, important for various chemical and industrial applications.
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