Calculate the pH of an aqueous solution of 0.1 M Na2SO4 at 25oC. Note 1: the pH of pure water is 7 and that Na2SO4 is neither an acid nor a base. Note 2: use concentration only (not activity) in your calculation. Kw at 25oC = 1.0 X 10–14.

Calculate the pH of an aqueous solution of 0.1 M Na2SO4 at 25oC. Note 1: the pH of pure water is 7 and that Na2SO4 is neither an acid nor a base. Note 2: use concentration only (not activity) in your calculation. Kw at 25oC = 1.0 X 10–14.

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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Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.

Question

Calculate the pH of an aqueous solution of 0.1 M Na₂SO₄ at 25^oC.

Note 1: the pH of pure water is 7 and that Na₂SO₄ is neither an acid nor a base.

Note 2: use concentration only (not activity) in your calculation.

Kw at 25^oC = 1.0 X 10^–14.

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