For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with pH. If the solubility does change, pick the pH at which you'd expect the highest solubility. You'll find K, data in the ALEKS Data tab. P compound CaCl₂ Ca, (PO4)₂ MgCl, Does solubility change with pH? yes no O yes O no yes O no pH = 7 highest solubility pH = 6 X pH = 4 S

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**Transcription for Educational Website:**

**Title: Solubility and pH Relationship for Selected Compounds**

For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with pH. If the solubility *does* change, pick the pH at which you'd expect the highest solubility. You’ll find \(K_{sp}\) data in the ALEKS Data tab.

| Compound       | Does solubility change with pH? | Highest solubility         |
|----------------|--------------------------------|----------------------------|
| CaCl\(_2\)     | ⦿ yes                          | \( \circ \) pH = 7         |
|                | \( \circ \) no                  | \( \circ \) pH = 6         |
|                |                                | \( \circ \) pH = 4         |
| Ca\(_3\)(PO\(_4\))\(_2\) | \( \circ \) yes                  | \( \circ \) pH = 7         |
|                | ⦿ no                           | \( \circ \) pH = 6         |
|                |                                | \( \circ \) pH = 4         |
| MgCl\(_2\)     | \( \circ \) yes                  | \( \circ \) pH = 7         |
|                | ⦿ no                           | \( \circ \) pH = 6         |
|                |                                | \( \circ \) pH = 4         |

**Explanation of Diagram:**

The table consists of three main parts:

1. **Compound Column**: Lists the chemical compounds being evaluated: Calcium Chloride (CaCl\(_2\)), Calcium Phosphate (Ca\(_3\)(PO\(_4\))\(_2\)), and Magnesium Chloride (MgCl\(_2\)).

2. **Solubility Change with pH**: Indicates whether the solubility of the compound changes with pH. A selection is made with a red circle:
   - CaCl\(_2\) shows a change in solubility with pH.
   - Ca\(_3\)(PO\(_4\))\(_2\) does not show a change.
   - MgCl\(_2\) does not show a change.

3. **Highest
Transcribed Image Text:**Transcription for Educational Website:** **Title: Solubility and pH Relationship for Selected Compounds** For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with pH. If the solubility *does* change, pick the pH at which you'd expect the highest solubility. You’ll find \(K_{sp}\) data in the ALEKS Data tab. | Compound | Does solubility change with pH? | Highest solubility | |----------------|--------------------------------|----------------------------| | CaCl\(_2\) | ⦿ yes | \( \circ \) pH = 7 | | | \( \circ \) no | \( \circ \) pH = 6 | | | | \( \circ \) pH = 4 | | Ca\(_3\)(PO\(_4\))\(_2\) | \( \circ \) yes | \( \circ \) pH = 7 | | | ⦿ no | \( \circ \) pH = 6 | | | | \( \circ \) pH = 4 | | MgCl\(_2\) | \( \circ \) yes | \( \circ \) pH = 7 | | | ⦿ no | \( \circ \) pH = 6 | | | | \( \circ \) pH = 4 | **Explanation of Diagram:** The table consists of three main parts: 1. **Compound Column**: Lists the chemical compounds being evaluated: Calcium Chloride (CaCl\(_2\)), Calcium Phosphate (Ca\(_3\)(PO\(_4\))\(_2\)), and Magnesium Chloride (MgCl\(_2\)). 2. **Solubility Change with pH**: Indicates whether the solubility of the compound changes with pH. A selection is made with a red circle: - CaCl\(_2\) shows a change in solubility with pH. - Ca\(_3\)(PO\(_4\))\(_2\) does not show a change. - MgCl\(_2\) does not show a change. 3. **Highest
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When one of the component ions is a weak acid or base, the solubility of the salt is affected by pH. 

The salts which are acidic in nature are less soluble in acidic solutions and more soluble in solutions that has pH value greater than 7 (basic solution).

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