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 benzoic acid,
The expression for
Through chemical equation it is evident that one
Rearrange equation (1) for
Substitute
Solve this equation for
Hence,
Substitute
Hence,
Formula for percent ionization of
Substitute
Hence, percent ionization of
(b)
Interpretation:
Percent ionization and
Concept Introduction:
Refer to part (a).
(b)
Explanation of Solution
The ionization of benzoic acid,
The expression for
Through chemical equation it is evident that one
Rearrange equation (1) for
Substitute
Solve this equation for
Hence,
Substitute
Hence,
Formula for percent ionization of
Substitute
Hence, percent ionization of
(c)
Interpretation:
Percent ionization and
Concept Introduction:
Refer to part (a).
(c)
Explanation of Solution
The ionization of benzoic acid,
The expression for
Through chemical equation it is evident that one
Rearrange equation (1) for
Substitute
Solve this equation for
Hence,
Substitute
Hence,
Formula for percent ionization of
Substitute
Hence, percent ionization of
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Chapter 16 Solutions
FOUND.OF COLLEGE CHEMISTRY
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