An analytical chemist is titrating 181.5 mL of a 1.000M solution of cyanic acid (HCNO) with a 0.8500M solution of KOH. The pK of cyanic acid is 3.46. Calculate the pH of the acid solution after the chemist has added 162.6 mL of the KOH solution to it.

An analytical chemist is titrating 181.5 mL of a 1.000M solution of cyanic acid (HCNO) with a 0.8500M solution of KOH. The pK of cyanic acid is 3.46. Calculate the pH of the acid solution after the chemist has added 162.6 mL of the KOH solution to it.

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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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 181.5 mL of a 1.000M solution of cyanic acid (HCNO) with a 0.8500M solution of KOH. The pK of cyanic acid is 3.46.
Calculate the pH of the acid solution after the chemist has added 162.6 mL of the KOH solution to it.
Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of KOH solution added.
Round your answer to 2 decimal places.
pH =
0
X

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