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Consider the equation 3A + B ⟶ C + D. You react 4 moles of A with 2 moles of B. Which of the following is true? a. The limiting reactant is the one with the higher molar mass. b. A is the limiting reactant because you need 6 moles of A and have 4 moles. c. B is the limiting reactant because you have fewer moles of B than A. d. B is the limiting reactant because three A molecules react with each B molecule. e. Neither reactant is limiting. Justify your choice. For those you did not choose, explain why they are incorrect.
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Chemistry: An Atoms First Approach
2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
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Chapter
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BuyFindarrow_forward
Chemistry: An Atoms First Approach
2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
Chapter 5, Problem 22ALQ
Textbook Problem
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Consider the equation 3A + B ⟶ C + D. You react 4 moles of A with 2 moles of B. Which of the following is true?
a. The limiting reactant is the one with the higher molar mass.
b. A is the limiting reactant because you need 6 moles of A and have 4 moles.
c. B is the limiting reactant because you have fewer moles of B than A.
d. B is the limiting reactant because three A molecules react with each B molecule.
e. Neither reactant is limiting.
Justify your choice. For those you did not choose, explain why they are incorrect.
(a)
Interpretation Introduction
Concept introduction: The component (substance) that gets completely consumed in a chemical reaction is known as the limiting reactant.
To determine: The authenticity of the statement, “The limiting reactant is the one with the higher molar mass”.
Explanation of Solution
Given
The stated chemical equation is,
Three moles of A react with one mole of B.
One mole of A reacts with B
Two moles of B are given. A part of B will be left unreacted. Hence, A is the limiting reactant in the given process
(b)
Interpretation Introduction
Concept introduction: The component (substance) that gets completely consumed in a chemical reaction is known as the limiting reactant.
To determine: The authenticity of the statement, “A is the limiting reactant because you need
(c)
Interpretation Introduction
Concept introduction: The component (substance) that gets completely consumed in a chemical reaction is known as the limiting reactant.
To determine: The authenticity of the statement, “B is the limiting reactant because you have fewer moles of B than A”.
(d)
Interpretation Introduction
Concept introduction: The component (substance) that gets completely consumed in a chemical reaction is known as the limiting reactant.
To determine: The authenticity of the statement, “B is the limiting reactant because three A molecules react with each B molecule”.
(e)
Interpretation Introduction
Concept introduction: The component (substance) that gets completely consumed in a chemical reaction is known as the limiting reactant.
To determine: The authenticity of the statement, “Neither reactant is limiting”.
Chapter 5 Solutions
Chemistry: An Atoms First Approach
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