1. Calculate the percentage yield for a chemical reaction with a maximum theoretical mass of 13.38g where 1.61g of product was produced.

2. Calculate the percentage yield for a chemical reaction with a maximum theoretical mass of 18.73g where 0.94g of product was produced.

3. Calculate the percentage yield for a chemical reaction where 7.36g of product was produced and the maximum theoretical mass was 8.46g

4. Calculate the percentage yield for a chemical reaction with a maximum theoretical mass of 14.42g where 5.48g of product was produced.

5. Calculate the percentage yield for a chemical reaction where 3.1g of product was produced and the maximum theoretical mass was 7.37g

6. Find the maximum theoretical mass of a chemical reaction with a percentage yield of 6% which produced 0.07g of product.

7. Find the mass of product produced by a chemical reaction with a percentage yield of 57% and a maximum theoretical mass of 5.83g.

8. Find the mass of product produced by a chemical reaction with a percentage yield of 67% and a maximum theoretical mass of 16.54g.

9. Find the maximum theoretical mass of a chemical reaction with a percentage yield of 90% which produced 11.1g of product.

10. Find the mass of product produced by a chemical reaction with a percentage yield of 53% and a maximum theoretical mass of 7.8g.

11. In the chemical reaction shown below, 25g of calcium carbonate, CaCO_{3}, was reacted and 8.54g of calcium oxide, CaO, was obtained. Calculate the percentage yield.

CaCO_{3} --> CaO + CO_{2}

12. In the chemical reaction shown below, 16g of hydrogen, H_{2}, was reacted and 24.96g of methane, CH_{4}, was obtained. Calculate the percentage yield.

2H_{2} + C --> CH_{4}

13. In the chemical reaction shown below, 127g of copper, Cu, was reacted and 87.86g of copper sulfide, CuS, was obtained. Calculate the percentage yield.

S + Cu --> CuS

14. In the chemical reaction shown below, 71g of chlorine, Cl_{2}, was reacted and 19.89g of sodium chloride, NaCl, was obtained. Calculate the percentage yield.

2Na + Cl_{2} --> 2NaCl

15. In the chemical reaction shown below, 1.2g of carbon, C, was reacted and 0.31g of ethene, C_{2}H_{4}, was obtained. Calculate the percentage yield.

2H_{2} + 2C --> C_{2}H_{4}

1. 12%

2. 5%

3. 87%

4. 38%

5. 42.1%

6. 1.17g

7. 3.32g

8. 11.08g

9. 12.33g

10. 4.13g

11. 61%

12. 39%

13. 46%

14. 17%

15. 22.1%

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