5. 6. What mass of N Calculate the percent yield of Na3PO4 if 350. g of Na3PO4 are formed from 692 g of NaHCO3.

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Chapter1: Chemical Foundations
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**Practice Assignment: Stoichiometry**

On a separate sheet of paper, show the setup and answer for each problem. Follow the formal problem-solving method that is illustrated in the examples above.

For problems (1-7), use the equation:

\[ 3 \text{NaHCO}_3 + \text{H}_3\text{PO}_4 \rightarrow 3 \text{CO}_2 + 3 \text{H}_2\text{O} + \text{Na}_3\text{PO}_4 \]

1. Number of moles of CO₂ produced from **5.0 moles** of H₃PO₄.
   
2. The number of grams of CO₂ formed from **3.0 moles** of NaHCO₃.

3. The number of grams of NaHCO₃ needed to produce **6.80 moles** of water.

4. Grams of CO₂ resulting when **49.0 g** of H₃PO₄ reacts.

5. What mass of NaHCO₃ reacts in order to produce **450. g** of Na₃PO₄?

6. Calculate the percent yield of Na₃PO₄ if **350. g** of Na₃PO₄ are formed from **692 g** of NaHCO₃.

---

**Notes on Solutions:**

Highlighted in yellow and blue are values given directly in the problem statement to emphasize their importance.

No graphs or diagrams are present in this assignment.
Transcribed Image Text:**Practice Assignment: Stoichiometry** On a separate sheet of paper, show the setup and answer for each problem. Follow the formal problem-solving method that is illustrated in the examples above. For problems (1-7), use the equation: \[ 3 \text{NaHCO}_3 + \text{H}_3\text{PO}_4 \rightarrow 3 \text{CO}_2 + 3 \text{H}_2\text{O} + \text{Na}_3\text{PO}_4 \] 1. Number of moles of CO₂ produced from **5.0 moles** of H₃PO₄. 2. The number of grams of CO₂ formed from **3.0 moles** of NaHCO₃. 3. The number of grams of NaHCO₃ needed to produce **6.80 moles** of water. 4. Grams of CO₂ resulting when **49.0 g** of H₃PO₄ reacts. 5. What mass of NaHCO₃ reacts in order to produce **450. g** of Na₃PO₄? 6. Calculate the percent yield of Na₃PO₄ if **350. g** of Na₃PO₄ are formed from **692 g** of NaHCO₃. --- **Notes on Solutions:** Highlighted in yellow and blue are values given directly in the problem statement to emphasize their importance. No graphs or diagrams are present in this assignment.
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