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Answer: For the reaction shown, calculate the theoretical

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 49P Chapter 8

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 49P

PROBLEM 49P

For the reaction shown, calculate the theoretical yield of product in moles for each of the initial quantities of reactants.

2 Mn(s) + 3 O2(g) → 2 MnO3(s)

(a) 2 mol Mn; 2 mol O2

(b) 4.8 mol Mn; 8.5 mol O2

(c) 0.114 mol Mn; 0.161 mol O2

(d) 27.5 mol Mn; 43.8 mol O2

Step-by-Step Solution:
Step 1 of 3

Solution 49P

Here, we are going to calculate the theoretical yield of product in moles.

Therefore, for that we have to calculate the limiting reactant or reagent for the reaction.

The reactant which is completely consumed in a chemical reaction and limits the product formation is called limiting reagent.

The amount of product formed based on the limiting reagent is called theoretical yield.

2 Mn(s) + 3 O2(g) → 2 MnO3(s)

2 mol Mn; 2 mol O2

Here, conversion is mole to mole

Mol Mn(s) = mol MnO3(s) = mol O2 (g)

Therefore,

2 mol Mn x = 2.0 mol MnO3(s)

Similarly,  2 mol O2 x  = 1.33 mol MnO3(s)

Thus, we know least amount of product formation determines the limiting reagent.

Hence, the limiting reactant is O2 

Therefore, the theoretical yield of the product from the reaction having (a) is 1.33 mole.

(b) 4.8 mol Mn; 8.5 mol O2

2 Mn(s) + 3 O2(g) → 2 MnO3(s)

Here, conversion is mole to mole

Mol Mn(s) = mol MnO3(s) = mol O2 (g)

Therefore,

4.8 mol Mn x = 4.8 mol MnO3(s)

Similarly, 8.5 mol O2 x  = 5.66 mol MnO3(s)

Thus, we know least amount of product...

Step 2 of 3

Chapter 8, Problem 49P is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

The full step-by-step solution to problem: 49P from chapter: 8 was answered by , our top Chemistry solution expert on 05/06/17, 06:45PM. This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5. Since the solution to 49P from 8 chapter was answered, more than 2970 students have viewed the full step-by-step answer. Introductory Chemistry was written by and is associated to the ISBN: 9780321910295. This full solution covers the following key subjects: mol, quantities, MNO, calculate, Moles. This expansive textbook survival guide covers 19 chapters, and 2045 solutions. The answer to “For the reaction shown, calculate the theoretical yield of product in moles for each of the initial quantities of reactants.2 Mn(s) + 3 O2(g) ? 2 MnO3(s)(a) 2 mol Mn; 2 mol O2(b) 4.8 mol Mn; 8.5 mol O2(c) 0.114 mol Mn; 0.161 mol O2(d) 27.5 mol Mn; 43.8 mol O2” is broken down into a number of easy to follow steps, and 51 words.

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