What is the concentration of Cd(OH)2(aq) in a solution in which the concentrations of Cd2+ and OH− are fixed at 3.3×10^−5 M? The cumulative formation constant (β2) for Cd(OH)2(aq) in water is 5.0×10^7
[Cd(OH)2]= M
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What is the concentration of Cd(OH)2(aq) in a solution in which the concentrations of Cd2+ and...
What is the concentration of Co(OH)2(aq) in a solution in which the concentrations of Co2+ and OH® are fixed at 3.9 x 10-5 M? The cumulative formation constant (B2) for Co(OH)2(aq) in water is 1.6 x 109. (CO(OH)2) = M
urgentt 5) The molecular complex Cd(CN)d-dissociates in water by the process Ca(CN)"(aq) = Cd2+(aq) +4 CN- Kc = 1.3 x 10-7 The initial concentration of Cd(CN).- in an aqueous solution is 0.0360 M. No Cd2+ or CN-ions are initially present. What is the concentration of Cd2+ ion present when equilibrium is achieved? [12 points]
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Let us assume that Cd(OH)2(s) is completely insoluble, which signifies that the precipitation reaction with NaOH(aq) (presented in the transition) would go to completion. Cd2+(aq)+2NaOH(aq) → Cd(OH)2(s)+2Na+(aq) If you had a 0.450 L solution containing 0.0190 M of Cd2+(aq), and you wished to add enough 1.31 M NaOH(aq) to precipitate all of the metal, what is the minimum amount of the NaOH(aq) solution you would need to add? Assume that the NaOH(aq) solution is the only source of OH−(aq) for the...
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5) The molecular complex Cd(CN)42- dissociates in water by the process Ca(CN): (aq) = Cd?" (aq) + 4 CN Kc -1.3 x 10-17 The initial concentration of Ca(CN).?- in an aqueous solution is 0.0360 M. No Cd2+ or CN ions are initially present What is the concentration of Cdion present when equilibrium is achieved? [12 points)
A 1.0 L solution of 0.30 M in H3O+(aq) containing Mn2+(aq), Cd2+(aq), and Fe2+(aq), all at 0.010 M, was saturated with H2S(g) at room temperature. Assume that the pH of the solution remains constant and that the [H2S]sat = 0.10 M. The Ksp for MnS9S) is 2.5 x 10-13 , Ksp for CdS(s) is 8.0 x 10 -27 and Ksp for FeS(s) is 6.3 x10-18 . For H2S:Ka1=1.3 x 10-7. Ka2=8.5 x 10-14. Calculate the equilibrium concentrations of Mn2+(aq),Cd2+(aq), and...