(aq) (1) Mg(OH)2 is partially dissolved in water: Mg(OH), (s) = Mg2+ (aq) + 2OH Write...
Principle of Chemistry II Test 3 (Chapters 15, 16) Date: Name: Mg? (aq) + 2OH(aq) (1) Merois partially dissolved in water: Mg(OH)2 () Write the Kp expression for Mg(OH):: K = (2) Solid AgCl is partially dissolved in water: AgCl 2 Ag+ + CI'. If the molar solubility is known as (Ag +) - CI') = 1.3x 10 M. AgCI Kp = (a) 1.3 x 10 (b) 1.69 x 100 (c) 2.6 x 10% (d) none of these (3) At...
14. A sample of Co(OH)2 is dissolved in water leaving some sample un-dissolved on the bottom. Calculate the solubility and the pH. Ksp - 5.92 x 10-15 Icon Col] ColoHz(3) Cot (ag) + 20th cug) ksy=[164] [OH-] 6 t 15. Will a precipitate form if 500 mL of 6.5 x 10- M AgNO3 is added to 500 mL of 6.8 x 10+ NaCl (Ksp of AgCl = 1.8 x 10-10)?
In a saturated solution that is in contact with solid Mg(OH)2, the concentration of Mg2+ is 1.12×10–4 M. What is the solubility product for Mg(OH)2? Mg(OH)2(s)⇌Mg2+(aq)+2OH−(aq) Your answer should include three significant figures.
A flask contains the following system at equilibrium: Mg(OH)2(s) + Mg2+(aq) + 2 OH"(aq) Which of the following reagents could be added to increase the solubility of Mg(OH)2? HCI O H20 O NH3 MgCl₂ NaOH
28) What is the molar solubility of Mg(OH)2 in a basic solution with a pH of 11.18? Ksp for Mg(OH)2 is 5.6x 10-12 B) 5.6x 10-10 M D) 1.1 x 10-4 M C) 2.4 x 10-6 M A) 5.6 x 10-8 M 29) What is the molar solubility of AgCl in 0.10 M NaCN if the colorless complex ion Ag(CN) 2- forms? Ksp for AgCl is 1.8 x 10-10 and Kf for Ag(CN) 2- is 1.0 x 1021, D) 0.050...
What is Ksp for the following equilibrium if Mg(OH)2 has a molar solubility of 1.1×10−4 M? Mg(OH)2(s)↽−−⇀Mg2+(aq)+2OH−(aq)
MgF2(s) <--> Mg2+(aq) + 2 F–(aq) In a saturated solution of MgF2 at 18 0C, the concentration of Mg2+ is 1.21 x 10–3 molar. The equilibrium is represented by the equation above. (a) Write the expression for the solubility-product constant, Ksp, and calculate its value at 18 0C. (b) Calculate the equilibrium concentration of Mg2+ in 1.000 liter of saturated MgF2 solution at 18 0C to which 0.100 mole of solid KF has been added. The KF dissolves completely. Assume...
Select the Redox Reactions: A) Mg + 2H+--> Mg2+ +H2(g) B) K2CO3(aq) + Sr(NO3)2(aq)--> SrCO3(s) + 2KNO3(aq) C) 2OH- + 2ClO-2 --> ClO2- + ClO3- + H2O D) H+ + OH- --> H2O E) KSCN (aq) + Fe(NO3)3(aq) --> FeSCN2+(aq) + KNO3 (aq) + 2NO3- (aq) F) AgCl(s) +2NH3(aq) --> Ag(NH3)2+ (aq) +Cl- (aq)
8. Solid Mg(OH)2 dissociates in water as shown below. The chemical equation for the autoprotolysis of water is also shown. M8OH (aq) + OH"(aq) Mg(OH)2(s) MgOH (aq) Mg2*(aq) + OH (aq) OR Mg(OH)2(s) Mg2*(aq) +20H (aq) H2O*(aq) + OH (aq) 2H20( The middle equation can be represented in either of the two ways shown since the product ions are the same in both cases. For this solution, (A) write the correct charge-balance equation. [5 points] (B) write the correct mass-balance...
Table 1. The results of adding solid Mg(OH)2 to 10.0L of water. Total amount of Mg(OH)2 added (g) Total amount of Mg(OH)2 added (mol) [Mg2+] in solution (M) [OH-] in solution (M) Mass of Mg(OH)2 that does NOT dissolve (g) 0.00963 1.65 x 10-4 1.65x 10-5 3.30 x 10-5 0 0.04815 8.26 x 10-4 8.26 x 10-5 1.65 x 10-4 0 0.09590 1.64 x 10-3 1.64 x 10-4 3.29 x 10-4 0 0.09630 1.65 x 10-3 1.65 x 10-4 3.30...