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The pH of Non-Buffered Solutions

 

pH Calculations

 
 

Problems and Solutions

 
Problem 1.1:
What is the pH of a solution of 0.36 M HCl, 0.62 M NaOH, and 0.15 M HNO3?
 
 
Problem 1.2:
What percent of formic acid (HCOOH) is dissociated in a 0.1 M solution of formic acid? The Ka of formic acid is 1.77 x 10-4.
 
 
Problem 1.3:
What happens to the pH of a 0.1 M solution of formic acid when enough HCl (g) is added to make the solution 0.01 M in HCl?
 
 
Problem 1.4:
What is the pH of a 0.001 M solution of H2SO4? HSO4- has a pKa of 1.2 x 10- 2.
 
 
 
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