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A solution contains 0.010 M each Cu(NO3)2 and Bi(NO3)3. An equal portion of 12 M NH3 is added to the solution.
What is the initial concentration of OH- (in M) once the two solutions have been mixed together, but prior to any reactions occurring? The Kb for NH3 = 1.8 x 10-5.
Once all reactions have completed, what is the equilibrium concentration (in M) of Cu2+? Assume that the concentrations of NH3 and OH- are buffered and cannot change from their initial values. The Kf for Cu(NH3)4 2+ = 1.1 x 1013.
Once all reactions have completed, what is the equilibrium concentration (in M) of Cu(NH3)4 2+ ? Assume that the concentrations of NH3 and OH- are buffered and cannot change from their initial values.
Once all reactions have completed, what is the equilibrium concentration (in M) of Bi3+? Assume that the concentrations of NH3 and OH- are buffered and cannot change from their initial values. The Ksp for Bi(OH)3 = 3.2 x 10-40.
Draw the Newman projections for the anti and gauche forms of 1,2-dibromoethane. The molecule has a dipole moment of 1.0 D.
Strawberries contain about 15 wt% solids and 85 wt% water.To make strawberry jam, crushed strawberries and sugar are mixed in a 45:55 mass ratio, and the mixture is heated to evaporate water until the residue contains one-third water by mass.
Write the formulas of all possible monobromination products when cyclopentane is exposed to Br2 in presence of light, rection occurs.
To 333 milliliters of a 0.120 molar Pb(NO3)2 solution, 0.667 milliliteres of 0.435 molar KIO3 is added. Calculate the concentrations of Pb+2 and IO3- in the solution at equilibrium.
Draw an energy diagram for an exothermic reaction and then draw an enrgy diagram for an exothermi reaction with a catalyst.
two mwthods were described for determining the volume of the flask used for the molar mass determination.
What is the solubility product constant? Given Ksp = 1.1 x 10^-3 for BaF2(s), calculate the molarity of Ba+2 in a saturate solution of BaF2 (at equilibrium).
Which best describes a solid?
What volume will a mixture of 0.65 mole H2 and 0.63 mole Kr occupy at 741 torr and 53.0 degrees celcuis
Battery acid is 35% sulfuric acid in water and has a density of 1.29g/ml. What is the mass of sulfuric acid in 1.00L of battery acid?
explain why the chemical formulas AlCl3, PCl3 and CoCl3 are so similar, yet their names are so different.
Determine an apparent radius of the tungsten (VI) ion assuming the oxide ion radius is 1.40A. Suggest a reason that the calculation might give a result that has no physical significance.
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