The Ka of HF is 6.8 x 10-4. What is the pH of a .35M solution of HF?     Group of answer choices 3.17 6.46 1.81 3.62

General, Organic, and Biological Chemistry
7th Edition
ISBN:9781285853918
Author:H. Stephen Stoker
Publisher:H. Stephen Stoker
Chapter10: Acids, Bases, And Salts
Section: Chapter Questions
Problem 10.38EP: Using the diagrams shown in Problem 10-37, which of the four acids is the weakest acid?
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The Ka of HF is 6.8 x 10-4. What is the pH of a .35M solution of HF?

 

 

Group of answer choices
3.17
6.46
1.81
3.62
 
 
 
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