Chemistry
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ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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![**Question 9: Exchange Reaction Equations**
**Task:**
Write the balanced molecular, complete ionic, and net ionic equations for this exchange (double-displacement) reaction.
**Given:**
\[ \text{BaI}_2(aq) + \text{K}_3\text{PO}_4(aq) \rightarrow \]
**Explanation:**
1. **Balanced Molecular Equation:**
To balance the molecular equation, each side of the equation must contain the same number of atoms of each element. The products of the double displacement reaction will be barium phosphate and potassium iodide.
\[ 3\text{BaI}_2(aq) + 2\text{K}_3\text{PO}_4(aq) \rightarrow \text{Ba}_3(\text{PO}_4)_2(s) + 6\text{KI}(aq) \]
2. **Complete Ionic Equation:**
In a complete ionic equation, all strong electrolytes (soluble salts) are represented as their constituent ions.
\[ 3\text{Ba}^{2+}(aq) + 6\text{I}^-(aq) + 6\text{K}^+(aq) + 2\text{PO}_4^{3-}(aq) \rightarrow \text{Ba}_3(\text{PO}_4)_2(s) + 6\text{K}^+(aq) + 6\text{I}^-(aq) \]
3. **Net Ionic Equation:**
To write the net ionic equation, remove the spectator ions (ions that appear on both sides of the complete ionic equation).
\[ 3\text{Ba}^{2+}(aq) + 2\text{PO}_4^{3-}(aq) \rightarrow \text{Ba}_3(\text{PO}_4)_2(s) \]
**Summary:**
- **Balanced Molecular Equation:**
\[ 3\text{BaI}_2(aq) + 2\text{K}_3\text{PO}_4(aq) \rightarrow \text{Ba}_3(\text{PO}_4)_2(s) + 6\text{KI}(aq) \]
- **Complete Ionic Equation:**
\[ 3\text{Ba}^{2+}(aq) + 6\text{](https://content.bartleby.com/qna-images/question/701927fd-ceaf-4fad-8338-7d1e3c22653c/46080216-f216-4869-87ba-c00b3ae21575/p9jlna_processed.jpeg)
Transcribed Image Text:**Question 9: Exchange Reaction Equations**
**Task:**
Write the balanced molecular, complete ionic, and net ionic equations for this exchange (double-displacement) reaction.
**Given:**
\[ \text{BaI}_2(aq) + \text{K}_3\text{PO}_4(aq) \rightarrow \]
**Explanation:**
1. **Balanced Molecular Equation:**
To balance the molecular equation, each side of the equation must contain the same number of atoms of each element. The products of the double displacement reaction will be barium phosphate and potassium iodide.
\[ 3\text{BaI}_2(aq) + 2\text{K}_3\text{PO}_4(aq) \rightarrow \text{Ba}_3(\text{PO}_4)_2(s) + 6\text{KI}(aq) \]
2. **Complete Ionic Equation:**
In a complete ionic equation, all strong electrolytes (soluble salts) are represented as their constituent ions.
\[ 3\text{Ba}^{2+}(aq) + 6\text{I}^-(aq) + 6\text{K}^+(aq) + 2\text{PO}_4^{3-}(aq) \rightarrow \text{Ba}_3(\text{PO}_4)_2(s) + 6\text{K}^+(aq) + 6\text{I}^-(aq) \]
3. **Net Ionic Equation:**
To write the net ionic equation, remove the spectator ions (ions that appear on both sides of the complete ionic equation).
\[ 3\text{Ba}^{2+}(aq) + 2\text{PO}_4^{3-}(aq) \rightarrow \text{Ba}_3(\text{PO}_4)_2(s) \]
**Summary:**
- **Balanced Molecular Equation:**
\[ 3\text{BaI}_2(aq) + 2\text{K}_3\text{PO}_4(aq) \rightarrow \text{Ba}_3(\text{PO}_4)_2(s) + 6\text{KI}(aq) \]
- **Complete Ionic Equation:**
\[ 3\text{Ba}^{2+}(aq) + 6\text{
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