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24. A solution is saturated with CaF, in a pH 5.00 buffer. Which is the correct mass balance relationship? (A) [Ca*] = 2[F] (B) 2[Ca*] + [H,0*] = [OH]+ [F] (C) [Ca?*] = 2[F]+ 2[HF] II (D) 2[Ca?*] = [F]+ [HF]

24. A solution is saturated with CaF, in a pH 5.00 buffer. Which is the correct mass balance relationship? (A) [Ca*] = 2[F] (B) 2[Ca*] + [H,0*] = [OH]+ [F] (C) [Ca?*] = 2[F]+ 2[HF] II (D) 2[Ca?*] = [F]+ [HF]

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section: Chapter Questions
Problem 23PS: A buffer solution was prepared by adding 4.95 g of sodium acetate, NaCH3CO2, to 2.50 102 mL of...
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24. A solution is saturated with CaF, in a pH 5.00 buffer. Which is the correct mass balance relationship? (A) [Ca*] = 2[F] (B) 2[Ca*] + [H,0*] = [OH]+ [F] (C) [Ca?*] = 2[F]+ 2[HF] II (D) 2[Ca*] = [F]+ [HF]
Transcribed Image Text:24. A solution is saturated with CaF, in a pH 5.00 buffer. Which is the correct mass balance relationship? (A) [Ca*] = 2[F] (B) 2[Ca*] + [H,0*] = [OH]+ [F] (C) [Ca?*] = 2[F]+ 2[HF] II (D) 2[Ca*] = [F]+ [HF]
13. Which does not affect the solubility (in g-L-) of an insoluble salt in a solution ? (A) the number of grams of the salt placed in the solution (B) the temperature of the solution (C) the ionic strength of the solution (D) the presence in the solution of an ion common to the insoluble salt
Transcribed Image Text:13. Which does not affect the solubility (in g-L-) of an insoluble salt in a solution ? (A) the number of grams of the salt placed in the solution (B) the temperature of the solution (C) the ionic strength of the solution (D) the presence in the solution of an ion common to the insoluble salt
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