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1. In testing the stabilities of complex ions of Ni2+, the following steps are performed. 2...
One millimole of Ni(NO3)2 dissolves in 230.0 mL of a solution that is 0.500 M in ammonia.The formation constant of Ni(NH3)62+ is 5.5×108. What is the initial concentration of Ni(NO3)2 in the solution? What is the equilibrium concentration of Ni2+(aq ) in the solution?
One millimole of Ni(NO3)2 dissolves in 240.0 mL of a solution that is 0.500 M in ammonia. The formation constant of Ni(NH3)62+ is 5.5×108. What is the equilibrium concentration of Ni2+(aq ) in the solution?
Please answer both questions. One millimole of Ni(NO3)2 dissolves in 270.0 mL of a solution that is 0.400 M in ammonia. The formation constant of Ni(NH3)62+ is 5.5×108. What is the initial concentration of Ni(NO3)2 in the solution? What is the equilibrium concentration of Ni2+(aq ) in the solution?
06 Question (2 points) One millimole of Ni(NO3)2 dissolves in 240.0 mL of a solution that is 0.300 M in ammonia. The formation constant of Ni(NH3)62+ is 5.5x108. 1st attempt Part 1 (1 point) What is the initial concentration of Ni(NO3), in the solution? M Part 2 (1 point) What is the equilibrium concentration of Ni2+(aq) in the solution?
Consider the voltaic cell and reduction half potentials: Zn(s) | Zn 2+(aq) (0.100 M) || Ni2+(aq) (1.50 M) | Ni(s) Zn 2+ (aq)/Zn (s) E o = - 0.760 V Ni2+ (aq)/Ni (s) E o = - 0.230 V a) Sketch the voltaic cell represented with the above line notation. Label the anode and cathode and indicate the half-reactions occurring at each electrode and the species present in each solution. Also indicate the direction of electron flow (3 marks). b)...
Quest. 6 (20 pts). Nickel (II) ions forms a strong complex in the presence of ammonia (NH). Calculate the equilibrium concentrations of NP and [Ni(NHLP complex after 0.120 mol of Ni(NO3)2 has been dissolved in 1.00 L of 2.30 M NH, solution. The Kiof (Ni(NHSP is 2.0 x 10. N" (aq) +6 NHỊ (aq) # [NINH " (aq)
1. If your original unknown is colorless, what ions are absent from your unknown? 2. If you get no precipitate with just the 6 M NH3 in step B, what ions are absent from your unknown? pls help are my answers correct ty 17 Page 4 Aperiment 24. Qualitative Analysis Group III-NI, Mn, Fe, Al, Cr, Zn 1. PROCEDURES A. Observations of Samples. Obtain an unknown and record code. Observe color of unknown solution Common color correlations are: dark blue...
One millimole of Ni(NO3)2 dissolves in 230.0 mL of a solution that is 0.400 M in ammonia. The formation constant of Ni(NH3)62+ is 5.5×108. 1st attempt Part 1 (1 point)See HintSee Periodic Table What is the initial concentration of Ni(NO3)2 in the solution? Part 2 (1 point) What is the equilibrium concentration of Ni2+(aq ) in the solution?
One millimole of Ni(NO3)2 dissolves in 230.0 mL of a solution that is 0.300 M in ammonia. The formation constant of Ni(NH3)62+ is 5.5×108. What is the initial concentration of Ni(NO3)2 in the solution? I already have this answer which is 4.35E-3, but I cannot figure out the second part which is: What is the equilibrium concentration of Ni2+(aq ) in the solution? and the answer IS NOT 1.08E-8
12 Question ( point) a See page 749 One millimole of Ni(NO3)2 dissolves in 260.0 mL of a solution that is 0.300 M in ammonia. The formation constant of Ni(NH3)62+is 5.5x108. 5th attempt Part1 (0.5 point) Feeback Feedback see Periodic Table See Hint What is the initial concentration of Ni(NO3)2 in the solution? 0.003846M Part 2 (0.5 point) Feedback What is the equilibrium concentration of Ni2 (aq) in the solution? x 10-0 M 7.00