Calculate the grams of the sodium salt that must be added to 100 ml of formic acid solution 0.25M Ka = 1.7x10-4to obtain the buffer solution at pH 2.68. The molecular weight of the salt is 46.03 g/mol.

pH of buffer solution is calculated by using Henderson Hesselbalch equation

Answered: culate the grams of the sodium salt…

culate the grams of the sodium salt that must be added to 100 ml of formic acid solution 0.25M Ka = 1.7x10-4 btain the buffer solution at pH 2.68. The molecular weight of the salt is 46.03 g/mol.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter9: Aqueous Solutions And Chemical Equilibria

Section: Chapter Questions

Problem 9.29QAP

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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.

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Calculate the grams of the sodium salt that must be added to 100 ml of formic acid solution 0.25M Ka = 1.7x10-4
to obtain the buffer solution at pH 2.68. The molecular weight of the salt is 46.03 g/mol.

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