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 16, Problem 49A
Interpretation Introduction

Interpretation:

The combination which can act as buffer is to examine.

Concept introduction:

A solution is buffer which resists the change in pH value when a small amount of acid or base is added to it.

Buffer solution is of two types:

  • Acidic buffer
  • Basic buffer

The component necessary for buffer solution is

  • Weak acid and a salt of weak acid with strong base.
  • Weak base and a salt of weak base with strong acid.

Expert Solution & Answer
Check Mark

Answer to Problem 49A

Options A, C, D

Explanation of Solution

  HCNNaCN is acidic buffer because HCN is weak acid and NaCN is salt of weak acid with strong base NaOH

  HFKF is acidic buffer because HF is weak acid and KF is salt of weak acid with strong base KOH

  HC3H5O2NaC3H5O2 is acidic buffer because HC3H5O2 is weak acid and NaC3H5O2 is salt of weak acid with strong base NaOH

Conclusion

Option B is incorrect because H3PO4K3PO4 is not acidic buffer as H3PO4 is strong acid.

Chapter 16 Solutions

World of Chemistry, 3rd edition

Ch. 16.2 - Prob. 5RQCh. 16.2 - Prob. 6RQCh. 16.2 - Prob. 7RQCh. 16.3 - Prob. 1RQCh. 16.3 - Prob. 2RQCh. 16.3 - Prob. 3RQCh. 16.3 - Prob. 4RQCh. 16.3 - Prob. 5RQCh. 16.3 - Prob. 6RQCh. 16.3 - Prob. 7RQCh. 16 - Prob. 1ACh. 16 - Prob. 2ACh. 16 - Prob. 3ACh. 16 - Prob. 4ACh. 16 - Prob. 5ACh. 16 - Prob. 6ACh. 16 - Prob. 7ACh. 16 - Prob. 8ACh. 16 - Prob. 9ACh. 16 - Prob. 10ACh. 16 - Prob. 11ACh. 16 - Prob. 12ACh. 16 - Prob. 13ACh. 16 - Prob. 14ACh. 16 - Prob. 15ACh. 16 - Prob. 16ACh. 16 - Prob. 17ACh. 16 - Prob. 18ACh. 16 - Prob. 19ACh. 16 - Prob. 20ACh. 16 - Prob. 21ACh. 16 - Prob. 22ACh. 16 - Prob. 23ACh. 16 - Prob. 24ACh. 16 - Prob. 25ACh. 16 - Prob. 26ACh. 16 - Prob. 27ACh. 16 - Prob. 28ACh. 16 - Prob. 29ACh. 16 - Prob. 30ACh. 16 - Prob. 31ACh. 16 - Prob. 32ACh. 16 - Prob. 33ACh. 16 - Prob. 34ACh. 16 - Prob. 35ACh. 16 - Prob. 36ACh. 16 - Prob. 37ACh. 16 - Prob. 38ACh. 16 - Prob. 39ACh. 16 - Prob. 40ACh. 16 - Prob. 41ACh. 16 - Prob. 42ACh. 16 - Prob. 43ACh. 16 - Prob. 44ACh. 16 - Prob. 45ACh. 16 - Prob. 46ACh. 16 - Prob. 47ACh. 16 - Prob. 48ACh. 16 - Prob. 49ACh. 16 - Prob. 50ACh. 16 - Prob. 51ACh. 16 - Prob. 52ACh. 16 - Prob. 53ACh. 16 - Prob. 54ACh. 16 - Prob. 55ACh. 16 - Prob. 56ACh. 16 - Prob. 57ACh. 16 - Prob. 58ACh. 16 - Prob. 59ACh. 16 - Prob. 60ACh. 16 - Prob. 61ACh. 16 - Prob. 62ACh. 16 - Prob. 63ACh. 16 - Prob. 1STPCh. 16 - Prob. 2STPCh. 16 - Prob. 3STPCh. 16 - Prob. 4STPCh. 16 - Prob. 5STPCh. 16 - Prob. 6STPCh. 16 - Prob. 7STPCh. 16 - Prob. 8STPCh. 16 - Prob. 9STPCh. 16 - Prob. 10STPCh. 16 - Prob. 11STP
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