Tartaric acid can be titrated with a standard alkali. A 25.0 cm3 sample of the acid was exactly neutralized by 27.5 cm of a 0.10 mol dm potassium hydroxide solution. Assuming that tartaric acid is monobasic, calculate the molar concentration of the acid.

Tartaric acid can be titrated with a standard alkali. A 25.0 cm3 sample of the acid was exactly neutralized by 27.5 cm of a 0.10 mol dm potassium hydroxide solution. Assuming that tartaric acid is monobasic, calculate the molar concentration of the acid.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter12: Chemical Equilibrium

Section12.3: Determining Equilibrium Constants

Problem 12.3PSP

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Concept explainers

Potentiometric Titrations

Potentiometric titration is one of the important titration methods and is mainly carried out to characterize acid solutions. It follows a method similar to that of the normal titration technique, but the main difference is that there is no indicator used in the potentiometric titrations. Instead of using an indicator, electrodes are employed for monitoring the whole titration process. A scientist named Robert Behrend did the potentiometric titration for the first time, and it was done using the mercurous solution and potassium chloride.

Question

Tartaric acid can be titrated with a standard alkali. A 25.0 cm3
sample of the acid was exactly neutralized by 27.5 cm of a 0.10
mol dm potassium hydroxide solution. Assuming that tartaric acid
is monobasic, calculate the molar concentration of the acid.

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