Answered: A 40.00 ml sample of 0.1000 M diprotic…

A 40.00 ml sample of 0.1000 M diprotic malonic acid is titrated with 0.0900 M KOH. What volume KOH must be added to give a pH of 5.697? Ka1- 1.42 x 10 and Ka2- 2.01 x 10°. %3D

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter11: Solutions

Section: Chapter Questions

Problem 26P

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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 40.00 ml. sample of 0.1000 M diprotic malonic acid is titrated with 0.0900 M KOH. What volume
KOH must be added to give a pH of 5.697? K1 = 1.42 x 10 and Ka2 = 2.01 x 106,
O 44 ml
O 67 ml
O 22 ml
O 11 mL
O 89 ml.

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