CHEMISTRY 31

Spring, 2015 - Dixon

Homework Set 3

 

Chapter                                       Problems                                  Date to finish    

Set 3.1                                                                                 Apr. 29

Ch. 22:                                           28a-f, 30, 38

Ch. 8:                                             6, 8, 11, 19, 21, 26, 33, 38

Ch. 9:                                             3, 4

Text Solutions

 

Additional Problem 3.1

Additional Problem:  A buffer is being prepared by adding HCl to pyridine (C5H5N, see Appendix G for pKa of conjugate acid).  It is desired to make a buffer at pH = 5.76 by adding 1.00 M HCl to a 250 mL volumetric flask containing 1.720 g of pyridine.  Determine the volume of HCl that is needed to add to the volumetric flask which will be diluted to the mark to make the buffer.

Solutions

 

Set 3.2                                                                                                          May 11

Ch. 9                                               16, 29

Ch. 10                                             2, 4, 6, 14, 19

No Additional problem or quiz

Text Solutions