Limiting Reactants and Percent Yield Practice

Flashcard
•
Chemistry
•
10th - 11th Grade
•
Hard
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16 questions
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1.
FLASHCARD QUESTION
Front
What is a limiting reactant?
Back
The limiting reactant is the substance that is completely consumed in a chemical reaction, limiting the amount of product that can be formed.
2.
FLASHCARD QUESTION
Front
How do you identify the limiting reactant in a reaction?
Back
To identify the limiting reactant, compare the mole ratio of the reactants used in the reaction to the mole ratio from the balanced equation.
3.
FLASHCARD QUESTION
Front
What is percent yield?
Back
Percent yield is a measure of the efficiency of a reaction, calculated as (actual yield / theoretical yield) x 100%.
4.
FLASHCARD QUESTION
Front
What is the theoretical yield?
Back
The theoretical yield is the maximum amount of product that can be produced from a given amount of reactants, based on stoichiometric calculations.
5.
FLASHCARD QUESTION
Front
What is the actual yield?
Back
The actual yield is the amount of product that is actually obtained from a chemical reaction.
6.
FLASHCARD QUESTION
Front
In the reaction 1 Mg + 2 HCl ⟶ 1 MgCl2 + 1 H2, if you have 6.00 moles of HCl and 5.00 moles of Mg, which is the limiting reactant?
Back
HCl is the limiting reactant.
7.
FLASHCARD QUESTION
Front
In the reaction CuCl2 + 2NaNO3 ⟶ Cu(NO3)2 + 2NaCl, if 15.0 grams of CuCl2 react with 20.0 g of NaNO3, what mass of NaCl is produced?
Back
13.0 g of NaCl.
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