Which pair of ions can be separated by the addition of a chloride ion? A. Ag+...
Which pair of ions can be separated by the addition of a chloride ion?
A. Ag+ and Zn2+
B. Ni2+ and Bi3+
C. Pb2+ and (Hg2)2+
D. Ca+ and Li+
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Which pair of ions can be separated by the addition of a
chloride ion?
A. Ag+...
A solution containing a mixture of metal cations was treated as outlined. Dilute HClHCl was added...
A solution containing a mixture of metal cations was treated as outlined. Dilute HClHCl was added and no precipitate formed. H2SH2S was bubbled through the acidic solution. A precipitate formed and was filtered off. The pH was raised to about 99 and H2SH2S was again bubbled through the solution. A precipitate formed and was filtered off. Finally, sodium carbonate was added to the filtered solution and no precipitate formed. What can be said about the presence of each of these...
A solution containing a mixture of metal cations was treated as outlined. 1. Dilute HCl was...
A solution containing a mixture of metal cations was treated as outlined. 1. Dilute HCl was added and a precipitate formed. The precipitate was filtered off. 2. H,S was bubbled through the acidic solution. Again, a precipitate formed and was filtered off. 3. The pH was raised to about 9 and H,S was again bubbled through the solution. No precipitate formed. 4. Finally, sodium carbonate was added. A precipitate formed and was filtered off. What can be said about the...
3. Assuming atoms can be represented as hard spheres, the bonding energy between a sodium ion and a chloride ion pair can be represented by: 1.436 7.32x10-6 8 1 1 where U is energy per ion pair in eV...
3. Assuming atoms can be represented as hard spheres, the bonding energy between a sodium ion and a chloride ion pair can be represented by: 1.436 7.32x10-6 8 1 1 where U is energy per ion pair in eV and r is the separation distance between ions in nanometers. Write answers in units of eV and nm. a) Find the equation for force between the atom pair. b) Find the equilibrium separation distance ro- c) Estimate the elastic modulus for...
Identify the spectator ions present (if any) when aqueous solutions of AgNO3 and MgCl, are mixed....
Identify the spectator ions present (if any) when aqueous solutions of AgNO3 and MgCl, are mixed. Periodic Table TABLE 8.1 Solubility Rules for Ionic Compounds in Water Compounds Containing the Following Ions Are Generally Soluble Exceptions Lit, Nat, Kt, and NHA None NO, and C2H30 None CI, Br, and When these ions pair with Agt, Hg2+, or Pb2+, the resulting compounds are insoluble. SO2- When SO 2 pairs with Sr?+, Ba²+, Pb2+, Ag+, or Ca't, the resulting compound is insoluble....
Fe3+ ions are to be separated from Hg2+ ions from an aqueous solution in which their...
Fe3+ ions are to be separated from Hg2+ ions from an aqueous solution in which their concentrations are both 0.05500 M . The criterion for "complete" separation is that the Fe3+ ion concentration must be 10,000 times larger or 10,000 times smaller that the Hg2+ ion concentration. Answer the questions below. At what pH will Fe(OH)3 precipitate from a 0.05500 M Fe3+ solution? Ksp = 2.800×10-39 At what pH will Hg(OH)2 precipitate from a Hg M Hg2+ solution? Ksp = 3.100×10-26...
14. Which of the following ions can be reduced by tin metal in aqueous solution? ...
14. Which of the following ions can be reduced by tin metal in aqueous solution? A. Mg2+ B. Na+ C. Ag+ D. Zn2+ E. Mn2+ 15. Which of the following ions can be reduced by copper metal in aqueous solution? A. Mg2+ B. Na+ C. Ag+ D. Zn2+ E. Mn2+
Silver ions can be precipitated from aqueous solutions by the addition of aqueous chloride: Ag+(aq)+Cl−(aq)→AgCl(s) Silver...
Silver ions can be precipitated from aqueous solutions by the addition of aqueous chloride: Ag+(aq)+Cl−(aq)→AgCl(s) Silver chloride is virtually insoluble in water so that the reaction appears to go to completion. How many grams of solid NaCl must be added to 25.0 mL of 0.149 M AgNO3 solution to completely precipitate the silver?
3. It is believed that a solution may contain the ions Ag, Al., and Zn2.. Addition...
3. It is believed that a solution may contain the ions Ag, Al., and Zn2.. Addition of 6 M HCl to the solution does not produce a precipitate. Addition of NH4Cl followed by 6 M NH3 until basic, produces a precipitate. What can you conclude based on these observations? lon(s) absent: lon(s): Undetermined: lon(s) present:
1. For each of the descriptions of different solutions, what inferences can be made? (Which ion(s)...
1. For each of the descriptions of different solutions, what inferences can be made? (Which ion(s) are identified as possibly present, confirmed present, absent, or no conclusion?) a. Hot water was added to a white precipitate (AgCl and/or PbCl2). After stirring, the precipitate completely dissolved forming a colorless solution. b. Aqueous ammonia was added to a solution (Cu2+ and/or Bi3+). After stirring, a white precipitate formed, with a colorless solution above it.b. c. HCl was added to Group 1 and...
16) Write a balanced net ionic equation for the reaction of H2SO4iag) with Ba(OH)2(g) A) Ba2+(ag)...
16) Write a balanced net ionic equation for the reaction of H2SO4iag) with Ba(OH)2(g) A) Ba2+(ag) + SO42-(a)- BaSO4) B) 2 H+(aq) SO42-(a) Ba2 (ag) +2 OH-(a)-BaSO4(0 2 H20) C) H2SO4(a) + Ba(OH)2(e) - BaSO40) 2 H20() D) H (ag) OH(ag)--H2O) 16) 17) Write a balanced net ionic equation for the reaction of Pb(NO3)2(ag) with Nal(ag). A) Pb2 (ag)+2 NO3-(4g) +2 Na+ (ag) +2 1-(a4)-- Pb2+(ag)+ 2 1-(a4)+ 2 Na (a) +2 NO3-(a) B) Pb2+(ag) 2 NO3-(a) + 2 Na...
A solution containing a mixture of metal cations was treated as outlined. 1. Dilute HCl was added and a precipitate formed. The precipitate was filtered off. 2. H,S was bubbled through the acidic solution. Again, a precipitate formed and was filtered off. 3. The pH was raised to about 9 and H,S was again bubbled through the solution. No precipitate formed. 4. Finally, sodium carbonate was added. A precipitate formed and was filtered off. What can be said about the...
3. Assuming atoms can be represented as hard spheres, the bonding energy between a sodium ion and a chloride ion pair can be represented by: 1.436 7.32x10-6 8 1 1 where U is energy per ion pair in eV and r is the separation distance between ions in nanometers. Write answers in units of eV and nm. a) Find the equation for force between the atom pair. b) Find the equilibrium separation distance ro- c) Estimate the elastic modulus for...
Identify the spectator ions present (if any) when aqueous solutions of AgNO3 and MgCl, are mixed. Periodic Table TABLE 8.1 Solubility Rules for Ionic Compounds in Water Compounds Containing the Following Ions Are Generally Soluble Exceptions Lit, Nat, Kt, and NHA None NO, and C2H30 None CI, Br, and When these ions pair with Agt, Hg2+, or Pb2+, the resulting compounds are insoluble. SO2- When SO 2 pairs with Sr?+, Ba²+, Pb2+, Ag+, or Ca't, the resulting compound is insoluble....
3. It is believed that a solution may contain the ions Ag, Al., and Zn2.. Addition of 6 M HCl to the solution does not produce a precipitate. Addition of NH4Cl followed by 6 M NH3 until basic, produces a precipitate. What can you conclude based on these observations? lon(s) absent: lon(s): Undetermined: lon(s) present:
16) Write a balanced net ionic equation for the reaction of H2SO4iag) with Ba(OH)2(g) A) Ba2+(ag) + SO42-(a)- BaSO4) B) 2 H+(aq) SO42-(a) Ba2 (ag) +2 OH-(a)-BaSO4(0 2 H20) C) H2SO4(a) + Ba(OH)2(e) - BaSO40) 2 H20() D) H (ag) OH(ag)--H2O) 16) 17) Write a balanced net ionic equation for the reaction of Pb(NO3)2(ag) with Nal(ag). A) Pb2 (ag)+2 NO3-(4g) +2 Na+ (ag) +2 1-(a4)-- Pb2+(ag)+ 2 1-(a4)+ 2 Na (a) +2 NO3-(a) B) Pb2+(ag) 2 NO3-(a) + 2 Na...
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