What is the pH of 500 mL of water after the addition of 1 mL of 2M NaOH? HINT: you cannot use H-H equation for this question, but use Kw=10-14= [H+]*[OH-] (and c1v1=c2v2) 12.7 0.004 11.6 2.4 What is the pH of a 1 L solution to which has been added 3 mL of 3 M boric acid and 2mL of 1 M sodium borate? (pK of boric acid is 9.24) 9.89 9.46 9.02 8.59 9.24
What is the pH of 500 mL of water after the addition of 1 mL of 2M NaOH? HINT: you cannot use H-H equation for this question, but use Kw=10-14= [H+]*[OH-] (and c1v1=c2v2) 12.7 0.004 11.6 2.4 What is the pH of a 1 L solution to which has been added 3 mL of 3 M boric acid and 2mL of 1 M sodium borate? (pK of boric acid is 9.24) 9.89 9.46 9.02 8.59 9.24
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter14: Acids And Bases
Section: Chapter Questions
Problem 118QRT
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What is the pH of 500 mL of water after the addition of 1 mL of 2M NaOH? HINT: you cannot use H-H equation for this question, but use Kw=10-14= [H+]*[OH-] (and c1v1=c2v2)
12.7
0.004
11.6
2.4
What is the pH of a 1 L solution to which has been added 3 mL of 3 M boric acid and 2mL of 1 M sodium borate? (pK of boric acid is 9.24)
9.89
9.46
9.02
8.59
9.24
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