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Formation Constant

Q. If the Ksp for FeS (s) is 3.7x10^(-19) and Kf for Fe(CN)6^(-4) is 1.5x10^35, calculate the equilibrium constant fo the following reaction. Show your work! FeS(s) + 6 CN^(-) (aq) ⇌ Fe(CN)6^(4-) (aq) + S^(2-) (aq)

Solved • May 4, 2020

Formation Constant

Q. The formation constant (Kf) of a complex depends on several factors, and it can also communicate information about the complex. Which of the following statements about the formation constant are true?

Solved • Apr 16, 2020

Formation Constant

Q. (AgNH3)+ has an equilibrium constant value of 1.7x10^3. If 0.015M silver ion is mixed with 0.1M of ammonia, what are the concentrations of reactants and products at equilibrium? (Hint: Use an ICE table)

Solved • Apr 13, 2020

Formation Constant

Q. 0.345 mol AgNO3 and 3.59 mol NH3 were added to enough water to give 1.00 L of solution at 25 °C. Calculate the equilibrium concentration of free silver ion , [Ag+], in this solution. The formation constant for Ag(NH3)2+ (Kf) = 1.50x107 at 25 °C.

Solved • Apr 12, 2020

Formation Constant

Q. Oxalate, C2O42-, forms a complex ion with manganese(II) ion, Mn2+, as shown in the following equation: Mn2+ + 2 C2O42- ⇄ [Mn(C2O4)2]2-   Kf = 6.3 × 105 Calculate [Mn2+] at equilibrium after mixing 550.0 mL of 0.015 M Mn(NO3)2 with 1.0 L of 1.0 M Na2C2O4,forming the complex ion.

Solved • Apr 3, 2020

Formation Constant

Q. The formation constant* of [M(CN) 4 4 ]2− is 7.70 × 10 16 7.70×1016 , where M is a generic metal. A 0.180 0.180 mole quantity of M(NO3)2 is added to a liter of 1.180 1.180 M NaCN solution. What is the concentration of M2+ ions at equilibrium?

Solved • Mar 29, 2020

Formation Constant

Q. The average human body contains 5.20 L of blood with a Fe^2+ concentration of 2.30x10^-5 M. If a person ingests 12.0 mL of 24.0 mM NaCN, what percentage of iron (II) in the blood would be sequestered by the cyanide ion? Express the percentage numerically.

Solved • Feb 26, 2020