At equilibrium:
CaF2 <----> Ca2+ + 2 F-
s 2s
Ksp = [Ca2+][F-]^2
Ksp = (s)*(2s)^2
Ksp = 4(s)^3
Ksp = 4(2.1*10^-4)^3
Ksp = 3.7*10^-11
Answer: a
2. The molar solubility of calcium fluoride in water is 2.1 x 104 moles/L. What is...
1. The molar solubility of Pbly in water is 1.5x10-mol/L. What is the solubility product of Pblz? answer = What is the molar solubility of Pb(OH)2 in a solution that is 0.010 M NaOH? The Ksp for Pb(OH)2 is 2.8x10-16 answer = 3. CaF2 dissolves in pure water. If the molar solubility of CaF2 is 2.2x10-4 mol/L, what is the concentration of fluoride in solution at equilibrium? answer
The molar solubility of CaF2 is 2.14x10^-4 mol L^-1. What is the Ksp of CaF2? The molar solubility of CaF2 is 2.14x 104 mol L 1. What is the Ksn of CaFo? 3.9 x 10-11 O 5.24 x 10-8 9.16 x 108 @ 3.62 x 10-12 Not enough information
2) The solubility product for calcium fluoride (CaF2, MW largest 78.1 g/mol) is Kp 4.0 x 10-11 What is the mass of calcium fluoride that can dissolve in 250.0 mL of water? 2) The solubility product for calcium fluoride (CaF2, MW largest 78.1 g/mol) is Kp 4.0 x 10-11 What is the mass of calcium fluoride that can dissolve in 250.0 mL of water?
The solubility product of calcium fluoride (CaF2) is 3x10^-11. If water contains 250 mg/L calcium, how much fluoride will be soluble?
The Ksp of Ag2C2O4 is 3.5x 10-11 What is the solubility of Ag2C2O4(s) in moles per liter (mol/L) pure water? (Note: The molar mass of Ag2C2O4 is not needed in this problem, which asks for moles per L.) a. 4.2 x 10 mol/L b.3.3 x 104 mol/L c. 2.1 x 104 mol/L d.5.9 x 10 mol/L e. 8.8 x 10-12 mol/L
(15 pts) The solubility product of calcium fluoride (CaF2) is 3.45 x 10-11 at 25°C. Will a fluoride concentration of 1.0 mg/L be soluble in a water containing 150 mg/L of calcium?
show work please The molar solubility of PbF2 in 0.10 M Pb(NO3)2 solution is 2.85 x 10-4 M. What is the Ksp for PbF2? A. 1.2 x 10-6 B. 3.1 x 10-7 C. 9.6 x 10-13 D. 3.2 x 10-8 What is the molar solubility of PbI, in pure water? Ksp = 9.8 x 10-9 A. 2.1 x 10-3 B. 1.7 x 10-3 C. 4.9 x 10-5 D. 1.3 x 10-3 What is the molar solubility of PbI2 in 0.20...
5. The molar solubility for calcium fluoride, CaF2, is 2.0 x 10' M at 25°C. Calculate the solubility product constant for calcium fluoride a. 1.4 x 102 b. 8.0 x 10-8 c. 1.6 x 10-11 d. 3.2 x 10" e. 4.2 x 10-24 e. None of these statements is liue. 15. Which of the following statements regarding complex ions is true? a. Complex ions are formed of a metal ion and a ligand. b. The metal ion is a Lewis...
G. Common ion effect 1. What is the molar solubility of calcium hydroxide (Ksp 5.5 x 10) under the following conditions? . In pure water. ii. In water with a pH of 7.25 iii. In water with a pH of 12.50 2. What is the molar solubility of lead (II) fluoride (Ksp 2.7 x 10) under the following conditions? i. In pure water. ii. In a 2.5 x 105 M NaF solution
Given the average concentration of calcium ion in natural water is 3.8×10^-4 M, and that the solubility product Ksp for CaF2 is 4×10^-11, calculate the maximum molar concentration of fluoride ion. Find the concentration fluoride in ppm scale as well.