Chemistry Homework Help

Browse Homework Solutions

36 solutions

Formation Constant

Q. For the aqueous [Fe(CN)6]4- complex Kf = 1.0 x 1035 at 25°C. Suppose equal volume of 0.0042 M Fe(NO3¬)2 solution and 0.66 M KCN solution are mixed. Calculate the equilibrium molarity of aqueous Fe2+ ion. Round your answer to 2 significant digits.

Solved • Nov 21, 2019

Formation Constant

Q. Calculate the solubility at 25 c of CuBr in pure water and in .21 M KI.

Solved • Nov 21, 2019

Formation Constant

Q. Condiser a solution made by mixing 500.0 mL of 4.0 M NH3 and 500.0 mL of AgNO3. Ag+ reacts with NH3 to form AgNH3+ and Ag(NH3)2+ The concentration of Ag+ at equilibrium is:

Solved • Nov 15, 2019

Formation Constant

Q. The following questions refer to the following system: 500.0 mL of 0.020 M Mn(NO3)2 are mixed with 1.0 L of 1.0 M Na2C2O4 acts as a ligand to form a complex ion with the Mn^2+ ion with a coordination number of two. Mn^2+ + C2O4^2- ⇌ MnC2O4 K1 = 7.9 x10^3 [MnC2O4]^2- ⇌ MnC2O4 + C2O4^2- K2 = 1.26x10^-2 Find the equilibrium concentration of Mn(C2O4) in the system. a. 2.5x10^-8M b.6.7x10^-3M c.1.3x10^-4 M d.9.2x10^-5 M e.0.01M

Solved • Nov 15, 2019

Formation Constant

Q. What is [Ag^+] when 25.0 mL each 0.044 M AgNO3 and 0.57 M Na2S2O3 are mixed? Kf of Ag(S2O3)2^3- = 4.7x10^13 Enter your answer in scientific notation.

Solved • Oct 15, 2019

Formation Constant

Q. 4. Which of the following could you add to a supersaturated aqueous solution of Zn(OH)2 to cause more zinc hydroxide to dissolve? a) NaF b) a strong base c) a strong acid d) more water e) ZnCl2

Solved • Oct 10, 2019

Formation Constant

Q. A 0.1000 M solution of standardized silver nitrate AgNO3 solution is used to titrate a 25.00mL aliquot of a 0.1000 M solution of sodium chromate, Na2CrO4. Calculate the pAg+ value after 60.00 mL of titrant have been added. Ksp (AgCrO4) = 1.2 x 10 ^ -12

Solved • Nov 7, 2019