Blem 8 Concept:Solubility and pH Level: Basic What is the solubility of V(OH at a pH of 5.501? Ks...
2. A solution is 0.10M in Mg(NO3)2. a. What concentration of OH is required to just start precipitation of Mg(OH)2? (Ksp = 1.5x10-11) b. If NH3/NH4+ buffer is used to control the pH, and [NH3] = 0.10 M, what concentration of NH4 is required to prevent the precipitation of Mg(OH)2?
What is the maximum concentration of Ni2+ in a solution of pH 10.00? Ksp (NI(OH)2) = 2.0*10-15 M
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...
8. Precipitation calculations with Ni2+ and Pb a. Use the solubility product for Ni(OH)2 o) to calculate the ph at which (OTH)2 begins to precipitate from a 0.18 M Ni2+ solution (3pts). (Ksp Ni(OH)2-5.5x10-16) b. Will Pb(OH) H from a0.18M Pb2 solution (3psa)? (The 2 (o) precipitate at the above p Ks for Pb(OH)2 1.2x10-15) The functional significance of the evolution of a second ventricle (as seen in alligators &their relatives, birds, & mammals) is that a second ventricle allows...
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...