A 50.0 mL of 0.250 M Ca(NO3)2 solution is added to 100.0 mL of 0.150 M NaF solution and as a results of the reaction a white precipitate of CaF2 is formed. Show all your assumptions and verifications.

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Chapter17: Solubility And Complex-ion Equilibria
Section: Chapter Questions
Problem 17.85QP: A 3.20-L solution of 1.25 103 M Pb(NO3)2 is mixed with a 0.80-L solution of 5.0 101 M NaCl....
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A 50.0 mL of 0.250 M Ca(NO3)2 solution is added to 100.0 mL of 0.150 M NaF solution and as a
results of the reaction a white precipitate of CaF2 is formed. Show all your assumptions and
verifications.
For CaF2, Ksp = 3.9 x 10-11
1. a) Calculate the molar solubility of CaF2 in this solution.
2. b) Calculate the equilibrium concentrations of Ca2+, Na+, F-, NO3- in the resulting solution.
Transcribed Image Text:A 50.0 mL of 0.250 M Ca(NO3)2 solution is added to 100.0 mL of 0.150 M NaF solution and as a results of the reaction a white precipitate of CaF2 is formed. Show all your assumptions and verifications. For CaF2, Ksp = 3.9 x 10-11 1. a) Calculate the molar solubility of CaF2 in this solution. 2. b) Calculate the equilibrium concentrations of Ca2+, Na+, F-, NO3- in the resulting solution.
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