World of Chemistry, 3rd edition
World of Chemistry, 3rd edition
3rd Edition
ISBN: 9781133109655
Author: Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher: Brooks / Cole / Cengage Learning
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Chapter 8, Problem 2STP
Interpretation Introduction

Interpretation :

Moles of ions must be chosen from the given list when 2 moles of sodium sulfate are dissolved in water.

Concept Introduction :

Aqueous solution of sodium sulfate is a strong electrolyte which dissociates completely to produce 2 moles of sodium ions and 1 mol of sulfate ion.

Expert Solution & Answer
Check Mark

Answer to Problem 2STP

Correct answer: Option C is correct.

Explanation of Solution

Reason for correct option: Option C is correct because 2 moles of sodium sulfate produces 4 moles of sodium ions and 2 moles of sulfate ions. Thus total moles of ions are 6.

  2Na2SO4(aq)4Na+(aq)+2SO42-(aq).

Conclusion

Reasons for incorrect options: Option A is incorrect as 2 moles sodium sulfate will not produce total 2 moles of ions.

Option B is incorrect as 2 moles sodium sulfate will not produce total 6 moles of ions.

Option D is incorrect as 2 moles sodium sulfate will not produce total 15 moles of ions.

Chapter 8 Solutions

World of Chemistry, 3rd edition

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