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NaOH is added to a saturated solution of Mn(OH), to increase the pH (make the solution...
a) What molarity of NaOH can be added to a solution of 1.5 x 10-4M Mn(NO3)2, given the Ksp of Mn(OH)2 = 1.6 x 10-13 b) Use equilibrium equations to explain why Cu(Cl)2 is more soluble in a solution of sodium cyanide than in pure water, given that it forms the complex ion Cu(CN)42-.
Find the literature ksp value for Mn(OH )2 . ph of saturated solution mn(Oh )2 is 9.90 calculate oh ,mn, mnoh2 concentration and , ksp .compare calculated ksp value from the literature ksp value . are the two values close or different .
Question 2 2 pts Solid Mn(OH)2 is added to a solution of 0.100 M FeCl2 What is the molar concentration of OH before adding it to FeCl2? Helpful formulas: Mn(OH)2 (s) Mn2+ (aq) + 20H |(aq) Ksp 1.6x 10-13 FeCl2 (s) Fe2+ (aq) 20H (aq) Ksp 4.9 x 1017 O 5.5x 104 M 3.4x 105 M O 6.8 x 10-5 M O 2.75 x 104 M Ouestion 3 2 nts
6.What is the molar solubility of Mn(OH)2 in a basic solution with a pH of 11.00? Ksp for Mn(OH)2 is 2.10 x 10-13. (6 points)
question 17 & 18 Q17. A 5.0 x 10-M solution of Mn is gradually made more basic by adding NaOH. At what pH will manganese(II) hydroxide begin to precipitate? For Mn(OH)2. Kip - 2.0 x 10-13 Q18. A solution is 0.010 M in each of Pb(NO3)2. Mn(NO3). and Zn(NO3)2. Solid NaOH is added until the pH of the solution is 8.50. Which of these three metal ion(s) will precipitate as a hydroxide? Salt KR Pb(OH)2 1.4 x 10-20 Mn(OH)2 Zn(OH)2...
12) What is the pH of a 1.8 x10^-2 M Ba(OH)2 solution? (a) 12.56 (b) 2.85 (c) 4.44 (d) 6.38 13) What is the pOH of a 1.8 x10^-2 M Ba(OH)2 solution? (a) 1.44 (b) 2.85 (c) 6.37 (d) 9.56 14) Calculate the H3O+ ion concentration of a solution with a pH of 8.34. (a) 2.88 x 10^-9 M (b) 3.85 x 10^-5 M (c) 4.57 x 10^-9 M (d) 6.83 x 10^-5 M
A student measures the pH of a saturated solution of manganese(II) hydroxide (Mn(OH)2) to be 9.87 . Part A Based on this measurement, what is the Ksp of Mn(OH)2? Express your answer using two significant figures.
Fill in the missing information in the following table. [H+] [OH-] PH POH Solution a 9.63 4.37 Acidic, Basic or Neutral? Basic M pH pOH (H+ OH-1 M 4.2 x 10-6 M Acidic, Basic or Neutral? - Solution b pH POH [OH-] H+] 0.023 M Acidic, Basic or Neutral? - Solutionc M pH POH H+1 [OH-] Acidic, Basic or Neutral? - Solution d 1.27 M _ M Submit Answer Try Another Version 3 item attempts remaining
Solubility Product A student determines that the concentration of OH" ions in a saturated solution of calcium hydroxide, Ca(OH)2 is 0.054 M. What is Ksp for Ca(OH)2? Ca 7.9 x 10-5 Ob.5.4 x 10-3 Oc. 1.6 x 10-7 Od. 2.9x 10-3 Freezing Point Depression Which colligative property of solutions listed below is correctly stated. 1. The freezing point of a solution decreases as more solute is added. II. The boiling point of a solution increases as more solute is added....
21. What is the molar solubility of Mn(OH)2(s) in a solution that is buffered at pH 8.00 at 25 °C? The Ksp of Mn(OH)2 is 1.9 x 10- at 25 °C. The concentration of Pb in an aqueous solution is 5.5 x 103 M. What concentration of SO required to begin precipitating PbSO? The Ksp of PbSOa is 2.5 x 10 is 22. must be added to 1,0 L of 0.0180 M Pb2 (aq) to 23. What mass of KCl...