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2 answers:
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Answer:
sodium fluoride
Explanation:
When we add sodium fluoride to a solution of a given mixture, we get barium fluoride from Ba, which would be an insoluble salt, and silver fluoride from Ag, which would be a soluble salt.
The solubility rule will be used to determine the barium salt that forms as a precipitate and leaves Ag+ salt in the solution.
From the following equations, we will see that the precipitate is formed in Ba but Ag remains dissolved in the solution.
Answer:
The balanced double displacement reaction is as follows.
Explanation:
The given reactant has sodium,chloride and copper sulfate ions.
In the double displacement reaction, two ionic compounds exchange their cations.
Sulphate and chloride ions are cations these are exchanged sodium and copper elements.
Hence, the balanced double exchange reaction is as follows.