
Concept explainers
(a)
Interpretation:
Percent ionization and
Concept Introduction:
Consider a weak acid
The equilibrium constant for ionization of weak acid is called ionization constant
Percent ionization for a weak acid is defined as the ratio of concentration of
(a)

Explanation of Solution
The ionization of phenol,
The expression for
Through chemical equation it is evident that one
Rearrange equation (1) for
Substitute
Solve this equation for
Hence,
Substitute
Hence,
The percent ionization of phenol,
Substitute
Hence, percent ionization of phenol,
(b)
Interpretation:
Percent ionization and
Concept Introduction:
Refer to part (a).
(b)

Explanation of Solution
The ionization of phenol
The expression for
Through chemical equation it is evident that one
Rearrange equation (1) for
Substitute
Solve this equation for
Hence,
Substitute
Hence,
The percent ionization of phenol,
Substitute
Hence, percent ionization of phenol,
(c)
Interpretation:
Percent ionization and
Concept Introduction:
Refer to part (a).
(c)

Explanation of Solution
The ionization of phenol,
The expression for
Through chemical equation it is evident that one
Rearrange equation (1) for
Substitute
Solve this equation for
Hence,
Substitute
Hence,
The percent ionization of phenol,
Substitute
Hence, percent ionization of phenol
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Chapter 16 Solutions
EBK FOUNDATIONS OF COLLEGE CHEMISTRY
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