Answered: 100.0 mL 0.15 M aqueous HF (K₁ = 6.8 x…

100.0 mL 0.15 M aqueous HF (K₁ = 6.8 x 104) is mixed with 125.0 mL 0.23 M NaF. What is the pH of the resulting solution?

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 12.71PAE: Acrylic acid is used in the polymer industry in the production of acrylates. Its K, is 5.6 X 10“’....

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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

100.0 mL 0.15 M aqueous HF (K₁ = 6.8 x 10-4) is mixed
with 125.0 mL 0.23 M NaF. What is the pH of the
resulting solution?
(A) 2.17
(B) 3.17
(C) 3.35
(D) 3.45
a
b
C

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