To obtain an actual yield of 40g of a product with a 80% yield, one must start with reactants calculated to produce a theoretical yield of: 32 g 40 g 50 g 80 g ETEA MCQS.COM Yield
A lab procedure states that the reaction has a 95% yield. If the theoretical yield is 10 g, the expected actual yield is: 10 g 9.5 g 10.5 g 95 g ETEA MCQS.COM Yield
If you obtain 4.5 g of a product and the percent yield was 90%, the theoretical yield was: 4.05 g 4.5 g 5.0 g 9.0 g ETEA MCQS.COM Yield
The reaction 2Mg + O₂ → 2MgO has a theoretical yield of 40 g of MgO. If the reaction has an 85% yield, the mass of MgO produced is: 40 g 85 g 34 g 47 g ETEA MCQS.COM Yield
A student needs 5 g of a compound. The reaction to make it has a 50% yield. The student should start with enough reactants to theoretically produce: 2.5 g 5 g 7.5 g 10 g ETEA MCQS.COM Yield
The actual yield is 15 g and the percent yield is 75%. The theoretical yield is: 11.25 g 15 g 20 g 25 g ETEA MCQS.COM Yield
In the reaction Zn + S → ZnS, 65 g of Zn is supposed to make 97 g of ZnS. If the percent yield is 80%, the actual mass of ZnS produced is: 97 g 80 g 77.6 g 121.25 g ETEA MCQS.COM Yield
If the percent yield for a reaction is 90% and a student needs to produce 27 g of product, they should aim for a theoretical yield of: 24.3 g 27 g 30 g 90 g ETEA MCQS.COM Yield
The theoretical yield of a reaction is 10 moles. If the percent yield is 65%, the moles of product actually obtained are: 10 moles 6.5 moles 15.4 moles 65 moles ETEA MCQS.COM Yield
A reaction has a theoretical yield of 88 g. If its percent yield is 75%, the actual yield is: 117.3 g 88 g 75 g 66 g ETEA MCQS.COM Yield
A reaction has an actual yield of 35 g and a theoretical yield of 40 g. Its percent yield is: 80% 87.50% 90% 114% ETEA MCQS.COM Yield
If the percent yield is 85% and the theoretical yield is 200 g, the actual yield is: 85 g 170 g 200 g 235 g ETEA MCQS.COM Yield
When 1 mole of N₂ reacts with 3 moles of H₂, the theoretical yield of NH₃ is 34 g. If 17 g is produced, the percent yield is: 17% 34% 50% 100% ETEA MCQS.COM Yield
If the actual yield is 2.5 g and the percent yield is 50%, the theoretical yield must be: 1.25 g 2.5 g 5.0 g 10.0 g ETEA MCQS.COM Yield
A chemist expects to get 150 g of aspirin but only gets 120 g. The percent yield is: 75% 80% 90% 125% ETEA MCQS.COM Yield
The percent yield of a reaction that starts with 10g of reactant and produces 8g of product can only be calculated if the ______ is known. excess reactant rate of reaction theoretical yield actual yield ETEA MCQS.COM Yield
The reaction of excess C₂H₄ with 64g of O₂ should produce 88g of CO₂. If 66g of CO₂ is obtained, the percent yield is: 50% 66% 75% 88% ETEA MCQS.COM Yield
If 16g of CH₄ (1 mol) produces 36g of H₂O (actual yield), and the theoretical yield is 36g, the percent yield is: 50% 75% 90% 100% ETEA MCQS.COM Yield
A reaction with a theoretical yield of 5.0 g has a percent yield of 60%. The mass of product obtained is: 3.0 g 5.0 g 6.0 g 8.3 g ETEA MCQS.COM Yield
