Calculate the pH and  the buffer capacity of the solution.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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1.A formic acid/sodium formate buffer solution can be prepared with 0.012 M each of 
formic acid (HCOOH) and sodium formate (NaCOOH). The Ka for formic acid is 
1.8 x 10-4. The simultaneous equilibrium reaction is as shown below. Calculate the pH and 
the buffer capacity of the solution. 


HCOOH (aq) + H2O (l) ⇋ H3O+ (aq) + HCOO- (aq

2. Suppose you wanted to increase the buffer capacity of the formic acid/sodium formate 
buffer solution above. What would you do? Explain your answer

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