17. 18. 24. N H (19-22) Given the equation: 4 NH3 +7 0₂ ----> 4 NO₂ + 6 H₂O 0 14 How many moles of NH, must react if 24.8 moles of water are produced? Determine the number of moles of H₂O that would be formed from the combustion of 86.0 grams of NH3. mot bar If 182 grams of NO₂ are formed, what number of moles of oxygen must have been consumed? Calculate the percent yield of H₂O if 80.0 g of H₂O are formed from reaction of 62.1 g of NH3. 19. 20. 21. 22. 23. What is the percent yield of Fe₂O3 if 2.90 g of Fe₂O3 are formed from reaction of 10.0 g of Fe(CrO₂)2? If 100.0 g of Fe(CrO2)2 is reacted with 50.00 g of K₂CO3 which reactant is limiting? 4 N 0 14 Given: 4 Al (s) + 3 02 (g) → 2 Al2O3(s) How many grams of Al2O3 could be produced from 225 grams of Al reacting with 429 grams of O₂? Given: 3 Mg(OH)2 (s) + 2 H3PO4 (aq) → 6 H₂0 (1) + Mg3(PO4)2 (s) How many moles of water could be produced from the reaction of 575 grams of Mg(OH)2 with 800. grams of H3PO4?
17. 18. 24. N H (19-22) Given the equation: 4 NH3 +7 0₂ ----> 4 NO₂ + 6 H₂O 0 14 How many moles of NH, must react if 24.8 moles of water are produced? Determine the number of moles of H₂O that would be formed from the combustion of 86.0 grams of NH3. mot bar If 182 grams of NO₂ are formed, what number of moles of oxygen must have been consumed? Calculate the percent yield of H₂O if 80.0 g of H₂O are formed from reaction of 62.1 g of NH3. 19. 20. 21. 22. 23. What is the percent yield of Fe₂O3 if 2.90 g of Fe₂O3 are formed from reaction of 10.0 g of Fe(CrO₂)2? If 100.0 g of Fe(CrO2)2 is reacted with 50.00 g of K₂CO3 which reactant is limiting? 4 N 0 14 Given: 4 Al (s) + 3 02 (g) → 2 Al2O3(s) How many grams of Al2O3 could be produced from 225 grams of Al reacting with 429 grams of O₂? Given: 3 Mg(OH)2 (s) + 2 H3PO4 (aq) → 6 H₂0 (1) + Mg3(PO4)2 (s) How many moles of water could be produced from the reaction of 575 grams of Mg(OH)2 with 800. grams of H3PO4?
Transcribed Image Text:### Educational Chemistry Problems
#### Question 17
What is the percent yield of Fe₂O₃ if 2.90 g of Fe₂O₃ are formed from the reaction of 10.0 g of Fe(CrO₂)₂?
#### Question 18
If 100.0 g of Fe(CrO₂)₂ is reacted with 50.00 g of K₂CO₃, which reactant is limiting?
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(19-22) **Given the equation**:
\[ 4 \text{NH}_3 + 7 \text{O}_2 \rightarrow 4 \text{NO}_2 + 6 \text{H}_2\text{O} \]
#### Question 19
How many moles of NH₃ must react if 24.8 moles of water are produced?
#### Question 20
Determine the number of moles of H₂O that would be formed from the combustion of 86.0 grams of NH₃.
#### Question 21
If 182 grams of NO₂ are formed, what number of moles of oxygen must have been consumed?
#### Question 22
Calculate the percent yield of H₂O if 80.0 g of H₂O are formed from the reaction of 62.1 g of NH₃.
---
#### Question 23
**Given**:
\[ 4 \text{Al} (s) + 3 \text{O}_2 (g) \rightarrow 2 \text{Al}_2\text{O}_3 (s) \]
How many grams of Al₂O₃ could be produced from 225 grams of Al reacting with 429 grams of O₂?
#### Question 24
**Given**:
\[ 3 \text{Mg(OH)}_2 (s) + 2 \text{H}_3\text{PO}_4 (aq) \rightarrow 6 \text{H}_2\text{O} (l) + \text{Mg}_3(\text{PO}_4)_2 (s) \]
How many moles of water could be produced from the reaction of 575 grams of Mg(OH)₂ with 800 grams of H₃PO₄?
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![### Educational Chemistry Problems
#### Question 17
What is the percent yield of Fe₂O₃ if 2.90 g of Fe₂O₃ are formed from the reaction of 10.0 g of Fe(CrO₂)₂?
#### Question 18
If 100.0 g of Fe(CrO₂)₂ is reacted with 50.00 g of K₂CO₃, which reactant is limiting?
---
(19-22) **Given the equation**:
\[ 4 \text{NH}_3 + 7 \text{O}_2 \rightarrow 4 \text{NO}_2 + 6 \text{H}_2\text{O} \]
#### Question 19
How many moles of NH₃ must react if 24.8 moles of water are produced?
#### Question 20
Determine the number of moles of H₂O that would be formed from the combustion of 86.0 grams of NH₃.
#### Question 21
If 182 grams of NO₂ are formed, what number of moles of oxygen must have been consumed?
#### Question 22
Calculate the percent yield of H₂O if 80.0 g of H₂O are formed from the reaction of 62.1 g of NH₃.
---
#### Question 23
**Given**:
\[ 4 \text{Al} (s) + 3 \text{O}_2 (g) \rightarrow 2 \text{Al}_2\text{O}_3 (s) \]
How many grams of Al₂O₃ could be produced from 225 grams of Al reacting with 429 grams of O₂?
#### Question 24
**Given**:
\[ 3 \text{Mg(OH)}_2 (s) + 2 \text{H}_3\text{PO}_4 (aq) \rightarrow 6 \text{H}_2\text{O} (l) + \text{Mg}_3(\text{PO}_4)_2 (s) \]
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