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The image contains two questions about the total moles of ions released when compounds dissolve in water. Let's break them down one by one.

### Part 1:
**Question**: How many total moles of ions are released when 0.16 mol of \( \text{K}_3\text{PO}_4 \) dissolves completely in water?

- **Solution**:
  - Potassium phosphate \( \text{K}_3\text{PO}_4 \) dissociates in water as:
    \[
    \text{K}_3\text{PO}_4 \rightarrow 3\text{K}^+ + \text{PO}_4^{3-}
    \]
  - For every 1 mole of \( \text{K}_3\text{PO}_4 \), 3 moles of \( \text{K}^+ \) and 1 mole of \( \text{PO}_4^{3-} \) ions are released.
  - Therefore, 1 mole of \( \text{K}_3\text{PO}_4 \) gives a total of \( 3 + 1 = 4 \) moles of ions.
  - For 0.16 moles of \( \text{K}_3\text{PO}_4 \):
    \[
    0.16 \times 4 = 0.64 \, \text{mol ions}
    \]

So, **0.16 mol of \( \text{K}_3\text{PO}_4 \) produces 0.64 mol of ions**.

### Part 2:
**Question**: How many total moles of ions are released when 0.325 mol of \( \text{Na}_2\text{HPO}_4 \) dissolves completely in water?

- **Solution**:
  - Sodium hydrogen phosphate \( \text{Na}_2\text{HPO}_4 \) dissociates in water as:
    \[
    \text{Na}_2\text{HPO}_4 \rightarrow 2\text{Na}^+ + \text{HPO}_4^{2-}
    \]
  - For every 1 mole of \( \text{Na}_2\text{HPO}_4 \), 2 moles of \( \text{Na}^+ \) and 1 mole of \( \text{HPO}_4^{2-} \) ions are released.
  - Therefore, 1 mole of \( \text{Na}_2\text{HPO}_4 \) gives a total of \( 2 + 1 = 3 \) moles of ions.
  - For 0.325 moles of \( \text{Na}_2\text{HPO}_4 \):
    \[
    0.325 \times 3 = 0.975 \, \text{mol ions}
    \]

So, **0.325 mol of \( \text{Na}_2\text{HPO}_4 \) produces 0.975 mol of ions**.

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Do you want further details on the dissociation process or any other related information?

Here are 5 related questions:
1. What is the dissociation equation for magnesium sulfate \( \text{MgSO}_4 \)?
2. How do you calculate the number of ions released in a double replacement reaction?
3. What happens when you dissolve a salt in water?
4. How would the dissociation of \( \text{CaCl}_2 \) compare to that of \( \text{K}_3\text{PO}_4 \)?
5. Can you explain how water molecules interact with ionic compounds during dissolution?

**Tip**: Always ensure the compound dissociates fully in water when calculating ion release, especially for weak electrolytes.

How many total moles of ions are released when 0.16 mol of K3PO4 dissolves completely in water? How many total moles of ions are released when 0.325 mol of Na2HPO4 dissolves completely in water?

Learn how to calculate the total moles of ions released when K3PO4 and Na2HPO4 dissolve in water. This stoichiometry problem involves the dissociation of compounds into ions and is suitable for high school students studying chemistry.

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