The metal ion M2+ in ammonia, NH3 forms the complex ion M(NH3)62+ (Kf = 5.1x108). Calculate the M2+ concentration when the equilibrium concentrations of NH3 and M(NH3)62+ are 0.057 and 0.45 M respectively.
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The metal ion M2+ in ammonia, NH3 forms the complex ion M(NH3)62+ (Kf = 5.1x108). Calculate...
7.Calculate the molar solubility for the binary salt MX3 with Ksp=0.0000071. Enter your answer as a decimal number with two significant figures. 8.Calculate the molar solubility of the binary salt MX2 with Ksp=0.000016. Enter your answer as a decimal with two significant figures. 9. Calculate the molar solubility of MX2 (Ksp=0.0000011) in 0.085 M NaX. Enter your answer as a decimal with two significant figures. 10.Determine the molar solubility of MX (Ksp=4.2x10-8) in 0.083 M NaCN. The metal ion M+...
Consider the insoluble compound cobalt(II) carbonate , CoCO3 . The cobalt(II) ion also forms a complex with ammonia . Write a balanced net ionic equation to show why the solubility of CoCO3 (s) increases in the presence of ammonia and calculate the equilibrium constant for this reaction. For Co(NH3)62+ , Kf = 1.3×105 . Use the pull-down boxes to specify states such as (aq) or (s). Knet = Consider the insoluble compound silver chloride, AgCl. The silver ion also...
A metal ion M forms a stable complex with the ligand X: M + (aq) + 4 X (aq) ⇌ M (X) 4+ (aq) Kf = 1.0 ∙ 10^20 In a solution where [M +] = 0.100 M and [X] = 0.800 M before reaction, what is [X] at equilibrium?
A) Consider the insoluble compound cobalt(II) hydroxide , Co(OH)2. The cobalt(II) ion also forms a complex with ammonia . Write a balanced net ionic equation to show why the solubility of Co(OH)2(s) increases in the presence of ammonia and calculate the equilibrium constant for this reaction. For Co(NH3)62+, Kf = 7.7×104. Use the pull-down boxes to specify states such as (aq) or (s). _____ + _____ = _____ + _____ K = B) Consider the insoluble compound nickel(II) carbonate ,...
When 0.1 L of 0.0200 M Ni(NO3)2 is combined with 0.010 L 0.3 M NH3, the Ni(NH3)62+ ion forms (Kf = 2.0 × 10^8). Calculate the equilibrium concentration of Ni2+, NH3, and Ni(NH3)62+
7. Silver ion forms a stable 1:1 complex with a chelating amine molecule. Calculate the silver ion concentration at equilibrium when 25mL of 0.10 M silver nitrate is added to 50 mL of 0.15 Mamine. Given that Kf = 5.0 x 10'.
Ammonia exists in two forms, ammonium ion (NH4+) and ammonia gas (NH3). In solution, they are related by the reaction Nh4=H+NH3 pK=9.24 If the pH is 8.5 and the total ammonia concentration (ct) is 40 mg/L as N, calculate the concentration of dissolved ammonia gas (NH3) concentration id mg/L (Answer is 7.33 mg/L )
Ni(NH3)62+ has a Kf of 1.2*109. Write the reaction equation for the formation of the complex ion and the equilibrium constant of the formation expression. Would the reaction mixture be mostly be complex ions or simple ions? (I don’t really understand how to answer the last question)
In an ammonia solution, the silver ion, Ag, forms the colorless, but soluble diamminesilver(I) complex ion, Ag(NH3)2. If ammonia is added to a solution that contains an AgCI precipitate, the solid dissolves completely. Write a net-ionic equation for the equilibrium involved and explain the shift that takes place. Choose the best answer. AgCl(s) +2 NH3(a)Ag(NH3)2 (aa) C(aq) Adding ammonia to AgCl(s) dissolves the solid by displacing chloride ions with ammonia molecules, forming a soluble complex ion Ag (a2 NH3(aq) Ag(NH32...
In aqueous solution, the Co 2+ ion forms a complex with six ammonia molecules. Write the formation constant expression for the equilibrium between the hydrated metal ion and the aqueous complex. Under that, write the balanced chemical equation for the last step in the formation of the complex.