Concept explainers
Interpretation: The concentration of cobalt ion complex on dissolving the given moles of
Concept introduction: The complex ion formation constant is given by the formula,
To determine: The concentration of cobalt ion complex in the aqueous solution of ammonia and ethylenediamine.
Answer to Problem 16.71QP
Solution:
The concentration of cobalt ion complex in the aqueous solution of ammonia and ethylenediamine is
Explanation of Solution
Given
The number of moles of
The number of moles of ethylenediamine is
The number of moles of ammonia is
The total volume of the solution is
The molar concentration is calculated by the formula,
Substitute the value of number of moles of
Substitute the value of number of moles of
Substitute the value of number of moles of ethylenediamine and the volume of the solution in equation (1).
Cobalt nitrate on dissolving in the aqueous solution of ethylenediamine forma a complex ion with ethylenediamine as,
The complex ion formation constant,
The concentration of formation of
The ICE table for the formation of
The complex ion formation constant is given by the formula,
Substitute the value of
The value of
Therefore, the above equation becomes,
Therefore, the concentration of
Cobalt nitrate on dissolving in the aqueous solution of ammonia forma a complex ion with ammonia as,
The complex ion formation constant,
The concentration of formation of
The ICE table for the formation of
The complex ion formation constant is given by the formula,
Substitute the value of
The value of
Therefore, the above equation becomes,
Therefore, the concentration of
The total amount of cobalt ion complex is present as both
Therefore, the concentration of
Conclusion:
The concentration of in
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Chapter 16 Solutions
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