A 3.81 g sample of alanine (C3H7NO₂), Kb = 7.4 x 10-5) was dissolved in 50.0 cm3 of water. Sufficient 0.500 M HCI was added to the 50.0 cm³ solution in order to reach the equivalence point. Calculate the pH of the resulting solution. Please give the answer to 2 decimal places.

A 3.81 g sample of alanine (C3H7NO₂), Kb = 7.4 x 10-5) was dissolved in 50.0 cm3 of water. Sufficient 0.500 M HCI was added to the 50.0 cm³ solution in order to reach the equivalence point. Calculate the pH of the resulting solution. Please give the answer to 2 decimal places.

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

A 3.81 g sample of alanine (C3H7NO2), Kb = 7.4 x 10-5)
was dissolved in 50.0 cm3 of water.
Sufficient 0.500 M HCI was added to the 50.0 cm³
solution in order to reach the equivalence point.
Calculate the pH of the resulting solution. Please give
the answer to 2 decimal places.

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