GENERAL CHEMISTRY ACHIEVE ACCESS W/BOOK
GENERAL CHEMISTRY ACHIEVE ACCESS W/BOOK
4th Edition
ISBN: 9781319405212
Author: McQuarrie
Publisher: MAC HIGHER
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Chapter 20, Problem 20.39P

(a)

Interpretation Introduction

Interpretation:

The Kb value for conjugate base of propanoic acid has to be calculated.

Concept Introduction:

Ionic-product constant for water: It is the hydronium ion concentration times the OH concentration present in the solution.

H2O(l)+H2O(l)H3O+(aq)+OH(aq)K=[ H3O+ ][ OH ][ H2O ][ H2O ][ H3O+ ]=[ OH ]=1.00×107MKW=K[ H2O ][ H2O ]=[ H3O+ ][ OH ]KW=1.00×1014MKW=Ka.Kb

(a)

Expert Solution
Check Mark

Answer to Problem 20.39P

The Kb value for conjugate base of propanoic acid is 7.14×1010 M.

Explanation of Solution

Given: CH3CH2COOHKa = 1.4×10-5 M

    CH3CH2COOHCH3CH2COO + H+

The conjugate base of given acid is CH3CH2COO.

The Kb value of CH3CH2COO is shown as follows,

    KW=Ka.Kb1.00×1014 M= 1.4×10-5 M×KbKb= 1.00×1014 M1.4×10-5 M= 7.14×1010 M

(b)

Interpretation Introduction

Interpretation:

The Kb value for conjugate base of sulfamic acid has to be calculated.

Concept Introduction:

Refer to (a).

(b)

Expert Solution
Check Mark

Answer to Problem 20.39P

The Kb value for conjugate base of sulfamic acid is 1.12×1013 M.

Explanation of Solution

Given: NH2SO3HKa = 8.9×10-2 M

    NH2SO3HNH2SO3 + H+

The conjugate base of given acid is NH2SO3.

The Kb value of NH2SO3 is shown as follows,

    KW=Ka.Kb1.00×1014 M= 8.9×10-2 M×KbKb= 1.00×1014 M8.9×10-2 M= 1.12×1013 M

(c)

Interpretation Introduction

Interpretation:

The Kb value for conjugate base of ammonium ion has to be calculated.

Concept Introduction:

Refer to (a).

(c)

Expert Solution
Check Mark

Answer to Problem 20.39P

The Kb value for conjugate base of ammonium ion is 1.79×105 M.

Explanation of Solution

Given: NH4+Ka = 5.6×10-10 M

    NH4+NH3 + H+

The conjugate base of given acid is NH3.

The Kb value of NH3 is shown as follows,

    KW=Ka.Kb1.00×1014 M= 5.6×10-10 M×KbKb= 1.00×1014 M5.6×10-10 M= 1.79×105 M

(d)

Interpretation Introduction

Interpretation:

The Kb value for conjugate base of hydrogen tellurate ion has to be calculated.

Concept Introduction:

Refer to (a).

(d)

Expert Solution
Check Mark

Answer to Problem 20.39P

The Kb value for conjugate base of hydrogen tellurate ion is 1.0×103 M.

Explanation of Solution

Given: HTeO4Ka = 1.0×10-11 M

    HTeO4TeO4 + H+

The conjugate base of given acid is TeO4.

The Kb value of TeO4 is shown as follows,

    KW=Ka.Kb1.00×1014 M= 1.0×10-11 M×KbKb= 1.00×1014 M1.0×10-11 M= 1.0×103 M

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Chapter 20 Solutions

GENERAL CHEMISTRY ACHIEVE ACCESS W/BOOK

Ch. 20 - Prob. 20.11PCh. 20 - Prob. 20.12PCh. 20 - Prob. 20.13PCh. 20 - Prob. 20.14PCh. 20 - Prob. 20.15PCh. 20 - Prob. 20.16PCh. 20 - Prob. 20.17PCh. 20 - Prob. 20.18PCh. 20 - Prob. 20.19PCh. 20 - Prob. 20.20PCh. 20 - Prob. 20.21PCh. 20 - Prob. 20.22PCh. 20 - Prob. 20.23PCh. 20 - Prob. 20.24PCh. 20 - Prob. 20.25PCh. 20 - Prob. 20.26PCh. 20 - Prob. 20.27PCh. 20 - Prob. 20.28PCh. 20 - Prob. 20.29PCh. 20 - Prob. 20.30PCh. 20 - Prob. 20.31PCh. 20 - Prob. 20.32PCh. 20 - Prob. 20.33PCh. 20 - Prob. 20.34PCh. 20 - Prob. 20.35PCh. 20 - Prob. 20.36PCh. 20 - Prob. 20.37PCh. 20 - Prob. 20.38PCh. 20 - Prob. 20.39PCh. 20 - Prob. 20.40PCh. 20 - Prob. 20.41PCh. 20 - Prob. 20.42PCh. 20 - Prob. 20.43PCh. 20 - Prob. 20.44PCh. 20 - Prob. 20.45PCh. 20 - Prob. 20.46PCh. 20 - Prob. 20.47PCh. 20 - Prob. 20.48PCh. 20 - Prob. 20.49PCh. 20 - Prob. 20.50PCh. 20 - Prob. 20.51PCh. 20 - Prob. 20.52PCh. 20 - Prob. 20.53PCh. 20 - Prob. 20.54PCh. 20 - Prob. 20.55PCh. 20 - Prob. 20.56PCh. 20 - Prob. 20.57PCh. 20 - Prob. 20.59PCh. 20 - Prob. 20.60PCh. 20 - Prob. 20.61PCh. 20 - Prob. 20.62PCh. 20 - Prob. 20.63PCh. 20 - Prob. 20.64PCh. 20 - Prob. 20.65PCh. 20 - Prob. 20.66PCh. 20 - Prob. 20.67PCh. 20 - Prob. 20.68PCh. 20 - Prob. 20.69PCh. 20 - Prob. 20.70PCh. 20 - Prob. 20.71PCh. 20 - Prob. 20.72PCh. 20 - Prob. 20.73PCh. 20 - Prob. 20.74PCh. 20 - Prob. 20.75PCh. 20 - Prob. 20.76PCh. 20 - Prob. 20.77PCh. 20 - Prob. 20.78PCh. 20 - Prob. 20.79PCh. 20 - Prob. 20.80PCh. 20 - Prob. 20.81PCh. 20 - Prob. 20.82PCh. 20 - Prob. 20.83PCh. 20 - Prob. 20.84PCh. 20 - Prob. 20.85PCh. 20 - Prob. 20.86PCh. 20 - Prob. 20.87PCh. 20 - Prob. 20.88PCh. 20 - Prob. 20.89PCh. 20 - Prob. 20.90PCh. 20 - Prob. 20.91PCh. 20 - Prob. 20.92PCh. 20 - Prob. 20.94P
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General Chemistry | Acids & Bases; Author: Ninja Nerd;https://www.youtube.com/watch?v=AOr_5tbgfQ0;License: Standard YouTube License, CC-BY