Quantitative Chemical Analysis
Quantitative Chemical Analysis
9th Edition
ISBN: 9781464135385
Author: Daniel C. Harris
Publisher: W. H. Freeman
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Chapter 9, Problem 9.38P

a)

Interpretation Introduction

Interpretation:

The quotient [HNO2][NO2-] in solution of Sodium nitrate at given pH has to be calculated.

Concept Introduction:

Henderson-Hasselbalch equation:

Henderson- Hasselbalch equation is rearranged form of acid dissociation expression.

For acid:

Consider an acidic reaction:

HAKaH++A-

The Henderson- Hasselbalch equation for an acidic reaction can be given as,

pH=pKa+log[A-][HA]

To calculate the quotient [HNO2][NO2-] in solution of Sodium nitrate at 2.00 pH

b)

Interpretation Introduction

Interpretation:

The quotient [HNO2][NO2-] in solution of Sodium nitrate at given pH has to be calculated.

Concept Introduction:

Henderson-Hasselbalch equation:

Henderson- Hasselbalch equation is rearranged form of acid dissociation expression.

For acid:

Consider an acidic reaction:

HAKaH++A-

The Henderson- Hasselbalch equation for an acidic reaction can be given as,

pH=pKa+log[A-][HA]

To calculate the quotient [HNO2][NO2-] in solution of Sodium nitrate at 10.00 pH

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Acid-Base Titration | Acids, Bases & Alkalis | Chemistry | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=yFqx6_Y6c2M;License: Standard YouTube License, CC-BY