1. What is the pH of a buffer that is 0.20 M HF and 0.085 M KF? pKa = 3.152. What is the pH of a buffer that has 0.150 mol HC2H3O2 and 0.120 mol NaC2H3O2 in 2.00 L that has 0.015 mol NaOH added to it? Ka for HC2H3O2 = 1.8 x 10-5

1. What is the pH of a buffer that is 0.20 M HF and 0.085 M KF? pKa = 3.152. What is the pH of a buffer that has 0.150 mol HC2H3O2 and 0.120 mol NaC2H3O2 in 2.00 L that has 0.015 mol NaOH added to it? Ka for HC2H3O2 = 1.8 x 10-5

Chemistry

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Chapter1: Chemical Foundations

Section: Chapter Questions

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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

1. What is the pH of a buffer that is
0.20 M HF and 0.085 M KF? pKa
=
3.15 2. What is the pH of a buffer
that has 0.150 mol HC2H3O2 and
0.120 mol NaC2H3O2 in 2.00 L that
has 0.015 mol NaOH added to it? Ka
for HC2H3O2 = 1.8 x 10-5

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