Part AA lactic acid/lactate ion buffer solution contains 0.21 MHC HsO3 and 0.71 MC3Hs Os, respectively. The K, value of lacticacid is 1.4 x 10-¹. Calculate the pH of this buffer.Express the pH numerically.▸ View Available Hint(s)pH =Submit[ΕΙ ΑΣΦ? Nitrous acid has a Ka of 4.5 x 10-4.▼Part AWhat is the pH of a buffer solution containing 7.0x102 M HNO2 and 6.0x102 M NO₂?Express your answer using two decimal places.pH =SubmitVO ΑΣΦRequest Answer

pH of the buffer solution can be calculated from Henderson hasselbalch equation. For acidic buffer…

A lactic acid/lactate ion buffer solution contains 0.21 MHC₂H5O3 and 0.71 MC₂H5O₁, respectively. The K, value of lac acid is 1.4 x 10-4. Calculate the pH of this buffer. Express the pH numerically. silable Hint(e)

A lactic acid/lactate ion buffer solution contains 0.21 MHC₂H5O3 and 0.71 MC₂H5O₁, respectively. The K, value of lac acid is 1.4 x 10-4. Calculate the pH of this buffer. Express the pH numerically. silable Hint(e)

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter26: Molecular Absorption Spectrometry

Section: Chapter Questions

Problem 26.22QAP

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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

Part A
A lactic acid/lactate ion buffer solution contains 0.21 MHC HsO3 and 0.71 MC3Hs Os, respectively. The K, value of lactic
acid is 1.4 x 10-¹. Calculate the pH of this buffer.
Express the pH numerically.
▸ View Available Hint(s)
pH =
Submit
[ΕΙ ΑΣΦ
?

Nitrous acid has a Ka of 4.5 x 10-4.
▼
Part A
What is the pH of a buffer solution containing 7.0x102 M HNO2 and 6.0x102 M NO₂?
Express your answer using two decimal places.
pH =
Submit
VO ΑΣΦ
Request Answer

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