Calculate the pH of 50.0 ml of 0.250 M oxalic acid (HOOCCOOH) upon addition of 15 mL of 0.500 M NaOH. Round your calculated value for pH to two figures to the right of the decimal point. Significant constants: Ka, of oxalic acid = 5.60 x 10" and Ka, of oxalic acid = 5.42 x 10°

Calculate the pH of 50.0 ml of 0.250 M oxalic acid (HOOCCOOH) upon addition of 15 mL of 0.500 M NaOH. Round your calculated value for pH to two figures to the right of the decimal point. Significant constants: Ka, of oxalic acid = 5.60 x 10" and Ka, of oxalic acid = 5.42 x 10°

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter16: Reactions Between Acids And Bases

Section: Chapter Questions

Problem 16.45QE

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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

pri calculation before the first equivalence point:
Calculate the pH of 50.0 mL of 0.250 M oxalic acid
(HOOCCOOH) upon addition of 15 mL of 0.500 M
NaOH. Round your calculated value for pH to two
figures to the right of the decimal point. Significant
constants: Ka, of oxalic acid = 5.60 x 10 and Ka,
of oxalic acid = 5.42 x 10
5

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