Consider the second step of the three-step ionization of phosphoric acid. The reaction equation would normally be written horizontally as follows: Reactant Arrow H* + Product Select the appropriate reactant, the type of arrow, the product other than H*, and the missing subscript on the equilibrium constant. Note: ^ is used before a șuperscript Reactant: [ Select] Arrow: v[Select ] Forward only

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 correct answer for reactant and arrow 

**Step 2 of Ionization of Phosphoric Acid:**

In the three-step ionization process of phosphoric acid, we focus here on the second step. The reaction equation is typically represented in a horizontal format like this:

**Reaction Format:**
- **Reactant → H⁺ + Product**

To complete the equation, you will need to provide:
1. The appropriate reactant from the drop-down menu.
2. The type of arrow which can be:
   - Forward only
   - Reverse only
   - Reversible
3. The product other than H⁺.
4. The correct subscript for the equilibrium constant (Kₐ).

**User Input Fields:**
- **Reactant:** [Select from the options provided]
- **Arrow Type:** Options include Forward only, Reverse only, Reversible.
- **Product:** [Select from the options provided]
- **Equilibrium Constant (Kₐ):** [Select the appropriate subscript]

*Note: Use a caret (^) symbol to indicate a superscript when necessary.*
Transcribed Image Text:**Step 2 of Ionization of Phosphoric Acid:** In the three-step ionization process of phosphoric acid, we focus here on the second step. The reaction equation is typically represented in a horizontal format like this: **Reaction Format:** - **Reactant → H⁺ + Product** To complete the equation, you will need to provide: 1. The appropriate reactant from the drop-down menu. 2. The type of arrow which can be: - Forward only - Reverse only - Reversible 3. The product other than H⁺. 4. The correct subscript for the equilibrium constant (Kₐ). **User Input Fields:** - **Reactant:** [Select from the options provided] - **Arrow Type:** Options include Forward only, Reverse only, Reversible. - **Product:** [Select from the options provided] - **Equilibrium Constant (Kₐ):** [Select the appropriate subscript] *Note: Use a caret (^) symbol to indicate a superscript when necessary.*
Consider the **second step** of the three-step ionization of phosphoric acid.

The reaction equation would normally be written horizontally as follows:

**Reactant → H⁺ + Product**

Select the appropriate reactant, the type of arrow, the product other than H⁺, and the missing subscript on the equilibrium constant. Note: ^ is used before a superscript.

- **Reactant:** 
  - Options in a dropdown menu include:
    - PO₄³⁻
    - H₂PO₄⁻
    - HPO₄²⁻
    - H₃PO₄

- **Arrow:** (No options are displayed)

- **Product:** 
  - Options in a dropdown menu are available to select.

- **Kₐ:** 
  - Options in a dropdown menu are available to select.
Transcribed Image Text:Consider the **second step** of the three-step ionization of phosphoric acid. The reaction equation would normally be written horizontally as follows: **Reactant → H⁺ + Product** Select the appropriate reactant, the type of arrow, the product other than H⁺, and the missing subscript on the equilibrium constant. Note: ^ is used before a superscript. - **Reactant:** - Options in a dropdown menu include: - PO₄³⁻ - H₂PO₄⁻ - HPO₄²⁻ - H₃PO₄ - **Arrow:** (No options are displayed) - **Product:** - Options in a dropdown menu are available to select. - **Kₐ:** - Options in a dropdown menu are available to select.
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