
Concept explainers
(a)
Interpretation:
The
Concept introduction:
An equilibrium constant
For the general acid HA,
The relative strength of an acid and base in water can be also expressed quantitatively with an equilibrium constant as follows:
An equilibrium constant
Percent dissociation can be calculated by using following formula,
The
(a)

Explanation of Solution
The given compound is acid therefore it can donate the proton to the water.
The balance equation is given below,
Percent dissociation can be calculated by using following formula,
The dissociation of acid is
Therefore,
Construct ICE table:
Initial concentration | 0.735 M | - | 0 | 0 |
Change | -x | + x | + x | |
At equilibrium | 0.735-x | x | x |
The initial concentration is
Therefore,
pH of the solution is
The
Therefore,
pOH of the solution is
(b)
Interpretation:
The
Concept introduction:
An equilibrium constant
For the general acid HA,
The relative strength of an acid and base in water can be also expressed quantitatively with an equilibrium constant as follows:
An equilibrium constant
Percent dissociation can be calculated by using following formula,
The
(b)

Explanation of Solution
The given compound is acid therefore it can donate the proton to the water.
The balance equation is given below,
Percent dissociation can be calculated by using following formula,
The dissociation of acid is
Therefore,
Construct ICE table:
Initial concentration | 0.735 M | - | 0 | 0 |
Change | -x | + x | + x | |
At equilibrium | 0.735-x | x | x |
The initial concentration is
Therefore,
The
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Chapter 18 Solutions
Loose Leaf for Chemistry: The Molecular Nature of Matter and Change
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