4.2 x 10-3 4. Magnesium fluoride (MgF,) is a sparingly soluble salt. It has Kp =...

Question

Question

Answer 1

Answer #1

MgF2 <-----------> Mg⁺² + 2F^-

Ksp = [Mg⁺²] [F^-]²

[Mg⁺²] = S mol /L

[F^-] = 2S mol /L

7.4 x 10^-9 = [S] [2S]²

7.4 x 10^-9 = 4S³

S³ = 1.85 x 10^-9

S = 0.001 mol /L

[F^-] = 2X 0.001 = 0.002 mol /L

[F^-] = 0.002 mol /L

Answer 2

Similar Homework Help Questions

ID03/2 hul the lune strength is due solely to the O 0.562 7.5 x 10-3 O 5.2 x 10-3 4.2 x 10-3 4. Magnesium fluorid...

ID03/2 hul the lune strength is due solely to the O 0.562 7.5 x 10-3 O 5.2 x 10-3 4.2 x 10-3 4. Magnesium fluoride (MgF2) is a sparingly soluble salt. It has Kp = 7.4x10-9. Calculate the concentration of fluoride ion in a saturated solution of MgF,. O 1.2 x 10-3 M O 2.5 x 10-3 O 7.4 x 10-9 O 6.3 x 10-5 5. Consider the reaction Sr(s) + FeOH(aq) + H2O + (aq) Sr2+ (aq) + Fe(s)...
3. Magnesium hydroxide is a sparingly soluble salt with Kup = 8.99 x 10-12 a. (6...

3. Magnesium hydroxide is a sparingly soluble salt with Kup = 8.99 x 10-12 a. (6 pt) What is the molar solubility of magnesium hydroxide in pure wat (6 pt) What is the molar solubility of magnesium hydroxide in a solution of 0.100 M magnesium nitrate?
Question 6 (Extra Credit Challenge): When the sparingly soluble salt lead fluoride, PbF2, is added to...

Question 6 (Extra Credit Challenge): When the sparingly soluble salt lead fluoride, PbF2, is added to an acidic solution with [H+] = 1.6 x 10–4 M, the resulting concentration of [Pb2+] after the salt dissolves is determined to be 7.75 x 10–5 M. (a) Determine the equilibrium constant for the dissolving of PbF2 in an acidic solution of H3O+ and (b) given Ka = 6.8 x 10–4, use the value determined in part a to calculate the Ksp for PbF2...

please explain A saturated solution of magnesium fluoride has a concentration [F]of 2.34 x 10-3 M....

please explain A saturated solution of magnesium fluoride has a concentration [F]of 2.34 x 10-3 M. For this compound, Ksp = 1.17 x 10-3 O (1.17 x 10-32 4(1.17 x 10-33 3(1.17 x 10-333 (1.17 x 10-33 Question 5 0.5 pts Calculate the solubility of magnesium sulfate, MgSO4, when placed into a 0.10 M MgCl2 solution (100% soluble). Mg SO, has a Ksp = 5.9 x 10-3 4.2 10-2M 5.9* 102M 7.7 * 102M 3.5 * 10M 3.5 * 10...
1. If Ksp = 6.4 x 10-9 for magnesium fluoride, what is the concentration of Mg2+...

1. If Ksp = 6.4 x 10-9 for magnesium fluoride, what is the concentration of Mg2+ and Fin equilibrium with solid magnesium fluoride? First write the equilibrium expression for Ksp. 2. The concentration of Ag+ in a solution saturated with Ag2C2O4 is 2.42 x 10-4 M. Calculate Ksp for Ag2C2O4.
Mercury (II) bromide is a sparingly soluble salt. HgBr2(s) ↔ Hg2+(aq) + 2Br-(aq) At 25 ℃...

Mercury (II) bromide is a sparingly soluble salt. HgBr2(s) ↔ Hg2+(aq) + 2Br-(aq) At 25 ℃ the concentration mercury ion in a saturated solultion is 2.49 x 10-7 M. What is it’s value of Ksp at 25℃?

Mg(OH)2 is a sparingly soluble salt with a solubility product, Kp, of 5.61 x 10-1 t...

Mg(OH)2 is a sparingly soluble salt with a solubility product, Kp, of 5.61 x 10-1 t is used to control the pH and provide nutrients in the biological The common-ion effect is an application of Le Châtelier's principle, which states that an equilibrium system that is stressed will work to alleviate that stress and reestablish equilibrium. (microbial) treatment of municipal wastewater streams. What is the ratio of solubility of Mg(OH)2 dissolved in pure H2O to Mg(OH)2 dissolved in a 0.190M...
What is the solubility in mole per liter for magnesium fluoride, MgF2, in a 2.4 mM...

What is the solubility in mole per liter for magnesium fluoride, MgF2, in a 2.4 mM solution of magnesium chloride, MgCl2? Hints: Use the 'small x' approximation and assume that magnesium chloride is fully soluble at this concentration. Ksp=5.16×10-11 for MgF2
Question 4: Given the Ksp = 2.0 x 10-29 for the sparingly soluble salt, calcium phosphate...

Question 4: Given the Ksp = 2.0 x 10-29 for the sparingly soluble salt, calcium phosphate (Ca3(PO4)2), determine the molar solubility of the salt in a solution that is 0.20 Min calcium perchlorate, Ca(CIO4)2.

6. Enough of a sparingly soluble salt AB(s) dissolved in a certain amount of water to...

6. Enough of a sparingly soluble salt AB(s) dissolved in a certain amount of water to bring it into equilibrium with the ions A" (aq) and B (aq). If the equilibrium concentration of A*? is 4.9 x 10 mol kg"', and the Debye Hückel Limiting Law (DHLL) is obeyed at this concentration, K sp for the salt is: A) 2.11e-9 B) 4.90e-9 C) 4.86e-10 D) 8.46e-9 E) 3.91e-10