Interpretation:
The compound precipitating first in the given scenario needs to be determined.
Concept introduction:
Le Chatelier principle states that a system at equilibrium when subjected to changes in the system adjusts it self to attain the equilibrium state again.
Answer to Problem 86A
Magnesium fluoride will precipitate first due to its lower Ksp.
Explanation of Solution
Solubility of magnesium fluoride:
Solubility of barium fluoride,
This shows that barium fluoride is more soluble and on addition of sodium fluoride MgF2 will precipitate first.
MgF2 will precipitate earlier than BaF2 due to its lower solubility product.
Chapter 17 Solutions
Chemistry: Matter and Change
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