rinciple, the ions Ba2+ and Ca2+ can be separated by the difference in solubility of their fluorides, BaF2 and CaF2. If you have a solution that is 0.10 M in both Ba2+ and Ca2+, CaF2 will begin to precipitate first as fluoride ion is added slowly to the solution. a. What concentration of fluoride ion will precipitate the maximum amount of Ca2+ ion without precipi- tating BaF2? b. What concentration of Ca2+ remains in solution when BaF2 just begins
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Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
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In principle, the ions Ba2+ and Ca2+ can be separated by the difference in solubility of their fluorides, BaF2 and CaF2. If you have a solution that is 0.10 M in both Ba2+ and Ca2+, CaF2 will begin to precipitate first as fluoride ion is added slowly to the solution.
a. What concentration of fluoride ion will precipitate the maximum amount of Ca2+ ion without precipi- tating BaF2?
b. What concentration of Ca2+ remains in solution when BaF2 just begins to precipitate?
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