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    Exam 17: Solubility and Complex-Ion Equilibria
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    Calculate the Molar Concentration of Uncomplexed Zn<sup>2+</sup>(aq)in a Solution That
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Calculate the Molar Concentration of Uncomplexed Zn2+(aq)in a Solution That

Question 99

Question 99

Multiple Choice

Calculate the molar concentration of uncomplexed Zn2+(aq) in a solution that contains 0.21 mol of Zn(NH3) 42+ per liter and 0.4986 M NH3 at equilibrium.Kf for Zn(NH3) 42+ is Calculate the molar concentration of uncomplexed Zn<sup>2+</sup>(aq) in a solution that contains 0.21 mol of Zn(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup> per liter and 0.4986 M NH<sub>3</sub> at equilibrium.K<sub>f</sub> for Zn(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup> is   . A)    M B)    M C)    M D)    M E)    M .


A) Calculate the molar concentration of uncomplexed Zn<sup>2+</sup>(aq) in a solution that contains 0.21 mol of Zn(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup> per liter and 0.4986 M NH<sub>3</sub> at equilibrium.K<sub>f</sub> for Zn(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup> is   . A)    M B)    M C)    M D)    M E)    M M
B) Calculate the molar concentration of uncomplexed Zn<sup>2+</sup>(aq) in a solution that contains 0.21 mol of Zn(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup> per liter and 0.4986 M NH<sub>3</sub> at equilibrium.K<sub>f</sub> for Zn(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup> is   . A)    M B)    M C)    M D)    M E)    M M
C) Calculate the molar concentration of uncomplexed Zn<sup>2+</sup>(aq) in a solution that contains 0.21 mol of Zn(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup> per liter and 0.4986 M NH<sub>3</sub> at equilibrium.K<sub>f</sub> for Zn(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup> is   . A)    M B)    M C)    M D)    M E)    M M
D) Calculate the molar concentration of uncomplexed Zn<sup>2+</sup>(aq) in a solution that contains 0.21 mol of Zn(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup> per liter and 0.4986 M NH<sub>3</sub> at equilibrium.K<sub>f</sub> for Zn(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup> is   . A)    M B)    M C)    M D)    M E)    M M
E) Calculate the molar concentration of uncomplexed Zn<sup>2+</sup>(aq) in a solution that contains 0.21 mol of Zn(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup> per liter and 0.4986 M NH<sub>3</sub> at equilibrium.K<sub>f</sub> for Zn(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup> is   . A)    M B)    M C)    M D)    M E)    M M

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