Write a net ionic equation for the overall reaction that occurs when aqueous solutions of carbonic acid and sodium hydroxide are combined. Assume excess base.

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**Net Ionic Equation for Carbonic Acid and Sodium Hydroxide Reaction**

**Instructions:**  
Write a net ionic equation for the overall reaction that occurs when aqueous solutions of carbonic acid and sodium hydroxide are combined. Assume excess base.

**Equation Template:**  
\[ \_\_\_\_\_ \, + \, \_\_\_\_\_ \, + \, \_\_\_\_\_ \rightarrow \_\_\_\_\_ \, + \, \_\_\_\_\_ \]

**Explanation:**  
To solve this, first, determine the dissociation of each component in the reaction:

1. **Carbonic Acid (H₂CO₃):**  
   \[ \text{H}_2\text{CO}_3 \rightarrow 2\text{H}^+ + \text{CO}_3^{2-} \]

2. **Sodium Hydroxide (NaOH):**  
   \[ \text{NaOH} \rightarrow \text{Na}^+ + \text{OH}^- \]

Using these dissociations, identify the primary reaction where hydroxide ions neutralize the acidic hydrogen ions, resulting in water formation. Since there is an excess base, carbonate ions may further react with sodium ions to form sodium carbonate:

**Net Ionic Equation:**  
\[ 2\text{OH}^- + 2\text{H}^+ \rightarrow 2\text{H}_2\text{O} \]

In the presence of excess NaOH, the following reaction may occur:

\[ \text{CO}_3^{2-} + 2\text{Na}^+ \rightarrow \text{Na}_2\text{CO}_3 \]

This overall process highlights the neutralization of carbonic acid by sodium hydroxide and the potential formation of carbonate salts when excess base is present.
Transcribed Image Text:**Net Ionic Equation for Carbonic Acid and Sodium Hydroxide Reaction** **Instructions:** Write a net ionic equation for the overall reaction that occurs when aqueous solutions of carbonic acid and sodium hydroxide are combined. Assume excess base. **Equation Template:** \[ \_\_\_\_\_ \, + \, \_\_\_\_\_ \, + \, \_\_\_\_\_ \rightarrow \_\_\_\_\_ \, + \, \_\_\_\_\_ \] **Explanation:** To solve this, first, determine the dissociation of each component in the reaction: 1. **Carbonic Acid (H₂CO₃):** \[ \text{H}_2\text{CO}_3 \rightarrow 2\text{H}^+ + \text{CO}_3^{2-} \] 2. **Sodium Hydroxide (NaOH):** \[ \text{NaOH} \rightarrow \text{Na}^+ + \text{OH}^- \] Using these dissociations, identify the primary reaction where hydroxide ions neutralize the acidic hydrogen ions, resulting in water formation. Since there is an excess base, carbonate ions may further react with sodium ions to form sodium carbonate: **Net Ionic Equation:** \[ 2\text{OH}^- + 2\text{H}^+ \rightarrow 2\text{H}_2\text{O} \] In the presence of excess NaOH, the following reaction may occur: \[ \text{CO}_3^{2-} + 2\text{Na}^+ \rightarrow \text{Na}_2\text{CO}_3 \] This overall process highlights the neutralization of carbonic acid by sodium hydroxide and the potential formation of carbonate salts when excess base is present.
**Net Ionic Equation: Reaction of Hydrofluoric Acid and Sodium Hydroxide**

**Task:**
Write a net ionic equation for the reaction that occurs when aqueous solutions of hydrofluoric acid (HF) and sodium hydroxide (NaOH) are combined.

**Diagram Explanation:**

The visual below consists of empty boxes and a plus sign indicating the reactants and products in the chemical equation:

- ____ + ____ + ____ → ____ + ____

Each box represents a component of the reaction, where boxes before the arrow are used for reactants, and boxes after the arrow are used for products. The plus signs indicate the combination or reaction between substances.

**Conceptual Explanation:**
When combined, the hydrogen ion (H⁺) from hydrofluoric acid reacts with the hydroxide ion (OH⁻) from sodium hydroxide to form water (H₂O), leaving the sodium ion (Na⁺) and fluoride ion (F⁻) unchanged. The net ionic equation focuses on the ionic components that directly participate in the reaction. 

**Example Net Ionic Equation:**

H⁺(aq) + OH⁻(aq) → H₂O(l)
Transcribed Image Text:**Net Ionic Equation: Reaction of Hydrofluoric Acid and Sodium Hydroxide** **Task:** Write a net ionic equation for the reaction that occurs when aqueous solutions of hydrofluoric acid (HF) and sodium hydroxide (NaOH) are combined. **Diagram Explanation:** The visual below consists of empty boxes and a plus sign indicating the reactants and products in the chemical equation: - ____ + ____ + ____ → ____ + ____ Each box represents a component of the reaction, where boxes before the arrow are used for reactants, and boxes after the arrow are used for products. The plus signs indicate the combination or reaction between substances. **Conceptual Explanation:** When combined, the hydrogen ion (H⁺) from hydrofluoric acid reacts with the hydroxide ion (OH⁻) from sodium hydroxide to form water (H₂O), leaving the sodium ion (Na⁺) and fluoride ion (F⁻) unchanged. The net ionic equation focuses on the ionic components that directly participate in the reaction. **Example Net Ionic Equation:** H⁺(aq) + OH⁻(aq) → H₂O(l)
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