Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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An analytical chemist is titrating 199.2 mL of a 0.3400 M solution of formic acid (H2CO2) with a 0.4000 M
solution of NaOH. The pK, of formic acid is 3.74. Calculate the pH of the acid solution after the chemist has
added 185.0 mL of the NaOH solution to it.
Note for advanced students: you may assume the final volume equals the initial volume of the solution plus
the volume of NaH solution added,
Round your answer to 2 decimal places.
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