Concept explainers
What is meant by the presence of a common ion? How does the presence of a common ion affect an equilibrium such as
HNO2(aq) ⇌ H+(aq) + NO2-(aq)
What is an acid–base solution called that contains a common ion?
(a)
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Interpretation:
The presence of a common ion is to be explained. The affect of the presence of a common ion on equilibrium of the given reaction is to be stated. The term used for an acid-base solution that contains a common ion is to be determined.
Concept introduction:
The presence of a common ion brings about a shift in the equilibrium position.
To determine: An explanation regarding the presence of a common ion.
Answer to Problem 1RQ
The presence of a common ion shifts the equilibrium position.
Explanation of Solution
The shift in the equilibrium state that happens due to the addition of an ion that is already present in the equilibrium reaction is stated as the presence of a common ion.
(b)
![Check Mark](/static/check-mark.png)
Interpretation:
The presence of a common ion is to be explained. The affect of the presence of a common ion on equilibrium of the given reaction is to be stated. The term used for an acid-base solution that contains a common ion is to be determined.
Concept introduction:
The presence of a common ion brings about a shift in the equilibrium position.
To determine: The affect of the presence of a common ion on equilibrium of the given reaction
Answer to Problem 1RQ
The presence of a common ion shifts the equilibrium of the given reaction towards left.
Explanation of Solution
The given reaction is,
The presence of a common ion in the given reaction will reduce the solubility of the given acid shifting the equilibrium towards the left. The dissociation of the given acid will be suppressed.
(c)
![Check Mark](/static/check-mark.png)
Interpretation:
The presence of a common ion is to be explained. The affect of the presence of a common ion on equilibrium of the given reaction is to be stated. The term used for an acid-base solution that contains a common ion is to be determined.
Concept introduction:
The presence of a common ion brings about a shift in the equilibrium position.
To determine: The term used for an acid-base solution that contains a common ion.
Answer to Problem 1RQ
An acid-base solution that contains a common ion is a buffer solution.
Explanation of Solution
An acid-base solution that contains a common ion is a buffer solution.
A buffer solution is also defined as a solution that resists a change in the
A solution that resists a change in the
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