The Ksp of Mg(OH)2 is e) 1.4 x 10-11. Because, Mg(OH)2 is a sparingly soluble salt, It's Solubility Product is of the order of 10-11
swer H of a saturated solution of Ca (OH)2 i 12.37. What is the Kap 22. of Ca (OH)2 Answer: 23. Which ot the following processes are accompan entropy nied by an increase in Answer 24. For a chemical reaction, DH +21.16 kJ mo1-1. The value of Dso for the same reaction was +74.50 J mol-1 K-1. 1, since the physical states do not change, the value of DH and Ds do not change with temperature over the range of...
to t o 10. What is the equilibrium constant of the following reaction at 25°C? 1(s) + 2LiBr(s) 22Lil(s) + Br2(1) AHO=162 kJ mol-1, AS7=61.1 J mol-1 K-1 AGO=143 kJ mol a) 4 x 10-29 b) 1 x 1025 c) 9 x 10-26 d) 3.2 x 102 e) 3.1 x 10-3 11. What is the equilibrium constant of the following reaction at 25°C? Mg(OH)2(aq) + NaOH(aq) + NaOH(aq) + Mg(OH)2(s) a) 1.78 x 1025 -Ox0.1 b) 5.62 x 10-26 c)...
The solubility product of Mg(OH)2 at 250 C is 1.6 x 10-11. What is the solubility of Mg(OH)2 in moles per liter?
Need help with both please A charged particle (with q = 1.0 x 10-2 C) that is moving through a uniform magnetic field has a velocity (6.0 x 105 m/s) i + (4.0 x 105 m/s) k when it experiences a force F due to the magnetic field. If B = (-3.0 x 10-3T) i +(4.0 x 10-3T)j +(5.0 x 10-3 T) k , calculate the force, in N (in terms of unit vectors). Equation: F=qvxB F=-(3.0 N) i -(6.0...
Only answer (a, d, e, f, h, i) please! Give the oxidation state of each element in the following compounds and ions: Only answer (a, d, e, f, h, i) please! (a) CaO; (b) H20; (c) HF; (d) FeCl2; (e) XeFc; (f) OsO4; (g) Na2SO4; (h) [PO41-; (i) PdCl.12- (j) (C104] ; (k) (Cr(OH2)6]3+. Appendix 7 Pauling electronegativity values (") for selected elements of the periodic table Values are dependent on oxidation state. Group 13 Group 14 Group 15 Group...
Acid/Base Study Packet Some Simple Acid/Base problems for you ... Calculate the pH of the following solutions: (Show ALL of your work) a. 2.3 x 10-2 M HNO3 b. 0.065 M Ba(OH)2 c. 2.55 M NaOH d. 0.025 M Naci e. 0.00086 M Al(OH)3 (assume 100% dissociation) f. 3.4 x 102 M acetic acid K= 1.8 x 10-5 g. 5.3 x 10-3 M formic acid K = 1.8 x 104 h. 4.6 x 10-4 M pyridine Kb = 1.9 x...
Please help with solving Question 1 (A-C) Thank you! Unless otherwise specified in the problem, you may assume that all solutions are at 25°C. 1. 50.0 mL of a pH 6.00 carbonic acid buffer is titrated with 0.2857 M NaOH, requiring 17.47 mL to reach the second equivalence point. a. Calculate the molarity of carbonic acid and bicarbonate in the original buffer. Carbonic acid: Bicarbonate: b. Calculate the pH of the solution after a total of 100.0 mL of 0.2857...
these were provided with the test Question 32 3 pts What is the molar solubility.s, of a saturated solution of cadmium sulfide, CdS*? O 9.3 x 10-10 O 2.2 x 10-9 O2.7 x 10-18 O 7.9 x 10-8 O 8.4 x 10-13 lonization Constants for Acids at 25°C Name Formula Kai К2 Kaz Acetic Arsenic 1.0 x 107 3.0 x 10-12 Arsenous Ascorbic 1.6 x 10-12 Benzoic Boric HC2H302 H₂A504 НАО H2C8H08 HG,HgO2 H803 HC H102 H.CO, HC H20201 HCIOZ...
Calculate the molar solubility of Mg(OH)2 in the following solvents. Ksp = 1.8 x 10¯11 pure water 8.68×10?2 M MgCl2 3.65×10?2 M KOH(aq). Really i just need someone to explain how these things affect solubility numerically
An acidic solution is 2 mM in each of the following metal ions: Zn2+, Cu2+, Co2+, Ca2+. a) Which of the metals would precipitate as their hydroxides at pH = 6.00? (Select all that apply. See theappendix.) -zinc -copper -cobalt -calcium b) Which of the metals would precipitate as their hydroxides at pH = 8.00? -zinc -copper -cobalt -calcium c) At what pH do the metal hydroxides begin to participate? Zn(OH)2 ____ Cu(OH)2 ____ Co(OH)2 ____ Ca(OH)2 ____ Substance Ksp...