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Answer: Determine the concentration of the cation and anion in each aqueous solution

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

Solution for problem 80P Chapter 13

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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13
1
Problem 80P

Determine the concentration of the cation and anion in each aqueous solution. (Assume complete dissociation of each compound.)

(a) 0.20 M SrSO4

(b) 0.15 M Cr2(SO4)2

(c) 0.12 M SrI2

Step-by-Step Solution:

Solution 80P :

Step 1:

Here, we have to determine the concentration of the cation and anion in each aqueous solution.

(a) 0.20 M SrSO4 :

The dissociation of SrSO4 into ions takes place as shown below :

                SrSO4 → Sr2+ + SO42-

As we see, The ratio of cation and anion is 1 : 1, i.e 1 mole of SrSO4 dissociates into 1 mole of cation(Sr2+) and 1 mole of anion(SO42-).

Therefore, concentration of cation(Sr2+) = 0.20 M.

and concentration of anion(SO42-) = 0.20 M.

(b) 0.15 M Cr2(SO4)3 :

The dissociation of SrSO4 into ions takes place as shown below :

                Cr2(SO4)3 → 2Cr3+ + 3SO42-

As we see, The ratio of cation and anion is 2 : 3, i.e 1 mole of Cr2(SO4)3 dissociates into 2 moles of cation(Cr3+) and 3 moles of anion(SO42-).

Therefore, concentration of cation(2 Cr3+) = 20.15 M = 0.30 M

           and concentration of anion(3 SO42-) = 30.15 M = 0.45 M

(c) 0.12 M SrI2 :

The dissociation of SrI2 into ions takes place as shown below :

                SrI2 → Sr2+ + 2I-

As we see, The ratio of cation and anion is 1 : 2, i.e 1 mole of SrI2 dissociates into 1 mole of cation(Sr2+) and 1 mole of anion(2I-).

Therefore, concentration of cation(Sr2+) = 0.12 M

           and concentration of anion(2 I-) = 20.12 M = 0.24 M

Step 2 of 1

Chapter 13, Problem 80P is Solved
Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

Introductory Chemistry was written by and is associated to the ISBN: 9780321910295. The full step-by-step solution to problem: 80P from chapter: 13 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. The answer to “Determine the concentration of the cation and anion in each aqueous solution. (Assume complete dissociation of each compound.)(a) 0.20 M SrSO4(b) 0.15 M Cr2(SO4)2(c) 0.12 M SrI2” is broken down into a number of easy to follow steps, and 27 words. Since the solution to 80P from 13 chapter was answered, more than 2456 students have viewed the full step-by-step answer. This full solution covers the following key subjects: anion, aqueous, assume, cation, complete. This expansive textbook survival guide covers 19 chapters, and 2046 solutions.

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Answer: Determine the concentration of the cation and anion in each aqueous solution