17 Find the pH of a 0.439 M NaA solution. The salt completely dissociates into Na⁺ and A⁻. Na⁺ is the cation of a strong base, so it will not affect the pH of the solution. A⁻ is the anion of the weak acid HA. The Ka of HA is 1.9E-5.If the 5% rule is valid, you may apply it.

NaA is salt so mixture of strong base and weak acid. So use formula of PH of salt. PH=9.32

Find the pH of a a A solution. The salt completely dissociate and AminusNa is the cation of a strong base so it will not affect the p H solution. Aminus is the anion of the weak acid H A. The K a of H A is 1.9 If the 5% rule is valid you may apply it.

Find the pH of a a A solution. The salt completely dissociate and AminusNa is the cation of a strong base so it will not affect the p H solution. Aminus is the anion of the weak acid H A. The K a of H A is 1.9 If the 5% rule is valid you may apply it.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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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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Find the pH of a 0.439 M NaA solution. The salt completely dissociates into Na⁺ and A⁻. Na⁺ is the cation of a strong base, so it will not affect the pH of the solution. A⁻ is the anion of the weak acid HA. The Ka of HA is 1.9E-5.

If the 5% rule is valid, you may apply it.

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