17 Find the p H of a 0.439 MNa A solution. The salt completely dissociates into Nand A Na is the cation of a strong base so it will not affect the p Hof thesolution. AnusCOis the anion of the weak acid H A. The Ka of H A 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.

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter16: Acids And Bases

Section: Chapter Questions

Problem 19QAP: . How is the strength of an acid related to the fact that a competition for protons exists in...

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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

Find the p H of a 0.439 MNa A solution. The salt completely dissociates into N
and A Na is the cation of a strong base so it will not affect the p Hof the
solution. Anus
CO
is the anion of the weak acid H A. The Ka of H A is 1.9E-5,
If the 5% rule is valid you may apply it.

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