
Concept explainers
Interpretation:
The concentration of
Concept introduction:
Calcium and lead ions form precipitates when reacted with fluoride ions.

Answer to Problem 4.95PAE
Solution:
Concentration of
Explanation of Solution
Reactions given below take place to result the given products.
If “a” number of moles of
Therefore,
Considering the mass of the product,
Therefore,
Substituting equation 2 in equation 3,
Therefore number of moles of
Volume of the original sample = 50 mL.
Concentration of
Concentration of a given ion in a solution with another similar ion can be found out by allowing the ions to precipitate and by finding the mass of the formed precipitate.
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Chapter 4 Solutions
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