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]

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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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