1. What is the percent yield if 13.1 g Cao is actually produced when 23.8 g CaCO3 is heated according to the reaction: CaCO3 → CaO + CO2 2. If 50.0 gram of silicon dioxide is heated with an excess of carbon, 27.9 g of silicon carbide is produced according to the reaction: SiO2 + 3 C→ SiC + CO2. What is the percent yield of SiC? 3. What is the percent yield if 4.65 g of copper is produced when 1.87 g of aluminum reacts with an excess of copper Il sulfate according to the reaction: 2 Al +3 CuSO, → Al2(SO4)3 + 3 Cu 4. If 15.0 g of nitrogen reacts with 15.0 g of hydrogen, 10.5 g of ammonia is produced according to the reaction: N2 + 3 H2 → 2 NH3. What is the percent yield of ammonia? TIP: Determine the limiting reactant to find the theoretical yield of NH3.

1. What is the percent yield if 13.1 g Cao is actually produced when 23.8 g CaCO3 is heated according to the reaction: CaCO3 → CaO + CO2 2. If 50.0 gram of silicon dioxide is heated with an excess of carbon, 27.9 g of silicon carbide is produced according to the reaction: SiO2 + 3 C→ SiC + CO2. What is the percent yield of SiC? 3. What is the percent yield if 4.65 g of copper is produced when 1.87 g of aluminum reacts with an excess of copper Il sulfate according to the reaction: 2 Al +3 CuSO, → Al2(SO4)3 + 3 Cu 4. If 15.0 g of nitrogen reacts with 15.0 g of hydrogen, 10.5 g of ammonia is produced according to the reaction: N2 + 3 H2 → 2 NH3. What is the percent yield of ammonia? TIP: Determine the limiting reactant to find the theoretical yield of NH3.

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter11: Stoichiometry

Section: Chapter Questions

Problem 96A

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