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25 solutions

Formation Constant

Q. Ni(OH)2(s) + 4CN(aq) ,<--> Ni(CN)4 2-(aq) + 2OH- (aq). knet = 2.8 x 10^14. If ksp for Ni(OH)2 is 2.8 x 10^-16, what is the value of the formation constant K form for the reaction below Ni+2(aq) +4CN-(aq) <--> Ni(CN)4 2- (aq)

Solved • Dec 17, 2019

Formation Constant

Q. For the aqueous [Cu(NH3)4]^2+ complex Kf = 5.6 x 10^11 at 25 °C. Suppose equal volumes of 0.0062 M Cu(NO3)2 solution and 0.88 M NH3 solution are mixed. Calculate the equilibrium molarity of aqueous Cu^2+ ion. Round our answer to 2 significant digits.

Solved • Dec 10, 2019

Formation Constant

Q. For the aqueous [HgI4]2- complex Kf=1.9x10^30 at 25C. Suppose equal volumes of 0.0052 M Hg(NO3)2 solution and 0.58 M NaI solution are mixed. Calculate the equilibrium molarity of aqueous Hg2+. Round to two significant digits

Solved • Dec 10, 2019

Formation Constant

Q. For the aqueous [HgCl4]2- complex Kf=5.0x10^15 at 25C. Suppose equal volumes of 0.0074 M Hg(NO3)2 solution and 0.84 M NaCl solution are mixed. Calculate the equilibrium molarity of aqueous Hg2+. Round to two significant digits

Solved • Dec 10, 2019

Formation Constant

Q. What is the concentration of Ni^2+ if 0.223g of NiCl2 is dissolved in 250.0 mL of 0.760 M NH3? Kf ([Ni(NH3)6^2+)=5.5x10^8

Solved • Dec 10, 2019

Formation Constant

Q. Calculate the minimum molarity of a 0.324 L NH3 solution needed to dissolve 3.08 g of AgOH(s). Ksp (AgOH) = 1.95x10^-8, Kf (Ag(NH3)2+) = 1.70x10^7.

Solved • Nov 29, 2019

Formation Constant

Q. Using the dissociation constant Kd= 3.4 x 10^-15, calculate the equilibrium concentrations of Zn +2 and OH- in a 0.0465 M solution of Zn(OH) 4 ^2-

Solved • Nov 24, 2019