Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Concept explainers

Acid Base Titration
An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.
Question
An analytical chemist is titrating 209.1 mL of a 0.6700M solution of aniline (C6H5NH₂) with a 0.1900M solution of HNO3. The pK of aniline is 9.37. Calculate the pH of the base solution after the chemist has added 478.1 mL of the HNO3 solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HNO3 solution added. Round your answer to 2 decimal places. pH 0 X Ś
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Transcribed Image Text:An analytical chemist is titrating 209.1 mL of a 0.6700M solution of aniline (C6H5NH₂) with a 0.1900M solution of HNO3. The pK of aniline is 9.37. Calculate the pH of the base solution after the chemist has added 478.1 mL of the HNO3 solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HNO3 solution added. Round your answer to 2 decimal places. pH 0 X Ś
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