(a)
Interpretation:
The equilibrium concentrations of H+ and CH3 COO- have to be determined given the initial concentration and final concentration of the weak acid, CH3 COOH.
Concept Introduction:
Answer to Problem 7.63P
Explanation of Solution
The equilibrium reaction representing the ionization of weak acid,
The initial concentration of the acid = 0.10 M.
Concentration of acid at equilibrium = 0.098 M.
Change in concentration of
This change in concentration of CH3 COOH will be equal to the concentration of
Therefore,
(b)
Interpretation:
The expected equilibrium constant for the above reaction has to be calculated.
Concept Introduction:
Equilibrium constant is the ratio of the concentrations of products to the reactants concentrations, each term raised to the power equal to the
Answer to Problem 7.63P
The expected equilibrium constant for the reaction is
Explanation of Solution
The given equilibrium ionization reaction is,
Plugging in the equilibrium concentrations to calculate the K value,
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Chapter 7 Solutions
Student Solutions Manual for Bettelheim/Brown/Campbell/Farrell/Torres' Introduction to General, Organic and Biochemistry, 11th
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