Multiple Choice
Which of the following best describes percent recovery in a chemical experiment?
3. Chemical Reactions
Percent Yield
Back3. Chemical Reactions
Percent Yield
- Multiple ChoiceWhich statement best describes the difference between theoretical yield and actual yield in a chemical reaction?
- Multiple ChoiceA reaction uses 32.5 g of Zn and produces 28.0 g of ZnCl_2. If the theoretical yield of ZnCl_2 is 40.5 g, what is the percent yield for the reaction?
- Multiple ChoiceIf the actual yield of NO is 2.18 g and the theoretical yield is 3.00 g, what is the percent yield?
- Multiple ChoiceWhich statement correctly describes the relationship between the amount of reactant used and the percent yield in a chemical reaction?
- Multiple ChoiceWhich of the following best describes how to calculate the theoretical yield in a chemical reaction?
- Multiple ChoiceWhat is the percent ionization of a 0.300 M solution of formic acid (HCOOH), given that Ka = 1.78 × 10^{-4}?
- Multiple ChoiceWhich of the following factors are necessary to determine both the theoretical and actual yield in a chemical reaction?
- Multiple ChoicePropane (C₃H₈) reacts with oxygen in the air to produce carbon dioxide and water. In a particular experiment, 38.0 grams of carbon dioxide are produced from the reaction of 22.05 grams of propane with excess oxygen. What is the percentage yield in this reaction?
- Multiple ChoiceWhich of the following best describes how to determine the theoretical yield in a chemical reaction?
- Multiple ChoiceWhich of the following best describes how to determine the theoretical yield in a chemical reaction?
- Multiple ChoiceWhich of the following best describes the percent yield in a chemical reaction?
- Multiple ChoiceWhich of the following best describes how to determine the actual yield in a chemical reaction?
- Open Question
What is the percent yield of HCl if 42.0 g of HCl are produced from the reaction of 62.0 g of PCl3?
- Multiple ChoiceWhich of the following is a reason why the percent yield of a chemical reaction might be less than 100%?