EBK EXPLORING CHEMICAL ANALYSIS
EBK EXPLORING CHEMICAL ANALYSIS
5th Edition
ISBN: 8220101443908
Author: Harris
Publisher: MAC HIGHER
Question
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Chapter 12, Problem 12.5P

(a)

Interpretation Introduction

Interpretation:

Reason behind greater hydrated diameter for Mg2+ ion than Ba2+ ion has to be explained.

Concept Introduction:

Debye Huckel law quantifies activity coefficient in terms of ionic strength as follows:

  logγ=0.509z2μ

Here

z denotes charge.

μ denotes ionic strength.

γ denotes activity coefficient.

(b)

Interpretation Introduction

Interpretation:

Reason behind indicated order observed for has to be explained.

  Sn4+>In3+>Cd2+>Rb+

Concept Introduction:

Extended Debye Huckel law quantifies activity coefficient in terms of ionic strength and hydrated size as follows:

  logγ=0.509z2μ1+(αμ/305)

Here,

z denotes charge.

μ denotes ionic strength.

γ denotes activity coefficient.

α denotes hydrated size.

(c)

Interpretation Introduction

Interpretation:

Reason behind highest hydrated size for H3O+ has to be explained.

Concept Introduction:

Refer to part (a).

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