Concept explainers
(a)
Interpretation:
The net ionic equation for the reaction has to be determined.
Concept Introduction:
There are three kinds of equations used to represent the
Net ionic equation is a chemical equation that contains only those ions that participate in the particular reaction. In this, only useful ions are present. These are commonly used reactions in acid-base
(a)
Answer to Problem 14.91QE
The net ionic equation for the reaction is
Explanation of Solution
The complete reaction between
The total ionic equation for the reaction is as follows:
The common ions on both side of equation get cancelled out and the net ionic equation is as follows:
(b)
Interpretation:
The mass of insoluble product has to be calculated.
Concept Introduction:
Molarity is defined as number of moles of solute that are dissolved in one litre of the solution. It is represented by
The formula to calculate the molarity of solution is as follows:
(b)
Answer to Problem 14.91QE
The mass of insoluble product is
Explanation of Solution
Rearrange equation (1) to calculate moles of solute.
Substitute
Substitute
Since moles of
The formula to calculate moles of
Rearrange equation (3) to calculate mass of
Substitute
Therefore mass of insoluble product is
(c)
Interpretation:
The concentrations of anions in equilibrium solution have to be determined.
Concept Introduction:
Solubility product is the equilibrium constant for the reaction that occurs when an ionic compound is dissolved to produce its constituent ions. It is represented by
The expression for its
(c)
Answer to Problem 14.91QE
The concentration of
Explanation of Solution
The dissociation reaction of
The formula to calculate the solubility product constant of
Rearrange equation (5) to calculate
Substitute
Therefore the concentration of
The expression for molarity equation is as follows:
Here,
Rearrange equation (7) to calculate
The total volume after dilution can be calculated as follows:
Substitute
Therefore the concentration of
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Chapter 14 Solutions
Chemistry: Principles and Practice
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