Multiple Choice
Which term refers to the error expressed as a percentage of the accepted value in a chemical experiment?
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3. Chemical Reactions
Percent Yield
Multiple Choice
Which term is used to describe the measure of the efficiency of a chemical reaction?
A
Percent yield
B
Molarity
C
Limiting reactant
D
Empirical formula
Verified step by step guidance1
Understand that the question asks for the term that describes how efficient a chemical reaction is, meaning how much product is actually obtained compared to the maximum possible amount.
Recall that 'Molarity' refers to the concentration of a solution, expressed as moles of solute per liter of solution, and does not measure reaction efficiency.
Recognize that 'Limiting reactant' is the reactant that is completely consumed first in a reaction, determining the maximum amount of product formed, but it is not a measure of efficiency itself.
Know that 'Empirical formula' represents the simplest whole-number ratio of elements in a compound, unrelated to reaction efficiency.
Identify that 'Percent yield' is the term used to quantify the efficiency of a chemical reaction by comparing the actual yield (amount of product obtained) to the theoretical yield (maximum possible amount), usually expressed as a percentage.
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