A solution of Na2SO4 is added dropwise to a solution with 0.020 M Ba2+ and 0.020 M Sr2+. (for BaSO4, Ksp = 1.1x10–10 and for SrSO4, Ksp = 3.2x10–7) (a) What precipitate will form first? Why? (b) What concentration of SO4 2– in the solution is necessary to begin precipitation? (neglect any volume change)
A solution of Na2SO4 is added dropwise to a solution with 0.020 M Ba2+ and 0.020...
A solution of Na2SO4 is added dropwise to a solution that is 1.1×10−2 M in Ba2+ and 1.1×10−2 M in Sr2+. 1. What concentration of SO2−4 is necessary to begin precipitation? (Neglect volume changes. BaSO4:Ksp=1.1×10−10; SrSO4:Ksp=3.2×10−7.) 2. What is the concentration of SO2−4 when the second cation begins to precipitate?
A solution of Na2SO4 is added dropwise to a solution that is 1.1×10−2 M in Ba2+ and 1.1×10−2 M in Sr2+. The solubility-product constants are as follows: BaSO4:SrSO4:KspKsp==1.1×10−103.2×10−7 You may want to reference(Pages 751 - 753) Section 17.6 while completing this problem. Which cation will precipitate first? Ba2+ precipitates first. Sr2+ precipitates first. What concentration of SO42− is necessary to begin precipitation? (Neglect volume changes.) Express the molarity to two significant digits. 1.0×10−8 M ***Need help with this answer. 1.)...
A solution of Na2CO3 is added dropwise to a solution that is 0.0172 M in Nd3+ and 2.34e-09 M in Hg22+. The Ksp of Nd2(CO3)3 is 1.08e-33. The Ksp of Hg2CO3 is 3.6e-17. (a) What concentration of CO32- is necessary to begin precipitation? (Neglect volume changes.) [CO32-] = (c) What is the concentration of CO32- when the second cation begins to precipitate? [CO32-] = M.
A solution contains 0.040 M of Na2SO4 and 0.050 M of NaIO3. Another solution of Ba2+ is added to the first solution.( You must accept that the original solution does not include HSO-4). a) Which of the Baryum salts precipitate firstly? b) Calculate the Ba2+ concentration while the first precipitate is occuring. c) While the more dissolved precipitate is precipitating, what is the concentration of anion which forms the less dissolved Baryum salt ? Ba(IO3) Ksp= 1.57x10-9 BaSO4 Ksp= 1.1x10-10
A solution of Na2C204 is added dropwise to a solution that is 0.0343 M in Cd2+ and 0.000181 M in Agt. The Ksp of Cdc204 is 1.42e-08. The Ksp of Ag2C204 is 5.4e-12. (a) What concentration of C2042- is necessary to begin precipitation? (Neglect volume changes.) [C2042'] = M. (b) Which cation precipitates first? Cd2+ Ag+ (c) What is the concentration of C2042- when the second cation begins to precipitate? [C2042-) =
A solution of NaF is added dropwise to a solution that is 0.0343 M in Mg2+ and 1.48e-09 M in Y3+. The Ksp of MgF2 is 5.16e-11. The Ksp of YF3 is 8.62e-21. (a) What concentration of F- is necessary to begin precipitation? (Neglect volume changes.) [F-] = M. (b) Which cation precipitates first? Mg2+Y3+ (c) What is the concentration of F- when the second cation begins to precipitate? [F-] = M.
A solution of Na3AsO4 is added dropwise to a solution that is 0.0220 M in Cu2+ and 0.492 M in Ag+. The Ksp of Cu3(AsO4)2 is 7.95e-36. The Ksp of Ag3AsO4 is 1.03e-22. (a) What concentration of AsO43- is necessary to begin precipitation? (Neglect volume changes.) [AsO43-] = M. (b) Which cation precipitates first? Cu2+ Ag+ (c) What is the concentration of AsO43- when the second cation begins to precipitate? [AsO43-] = M.
A solution of Na2CO3 is added dropwise to a solution that is 0.0852 M in Y3+ and 0.0413 M in Cd2+. The Ksp of Y2(CO3)3 is 1.03e-31. The Ksp of CdCO3 is 1e-12. (a) What concentration of CO32- is necessary to begin precipitation? (Neglect volume changes.) [CO32-] = M. (b) Which cation precipitates first? Y3+ Cd2+ (c) What is the concentration of CO32- when the second cation begins to precipitate? [CO32-] = M.
A solution of Na3AsO4 is added dropwise to a solution that is 0.0450 M in Bi3+ and 1.42e-07 M in Cd2+. The Ksp of BiAsO4 is 4.43e-10. The Ksp of Cd3(AsO4)2 is 2.2e-33. (a) What concentration of AsO43- is necessary to begin precipitation? (Neglect volume changes.) [AsO43-] = M. (b) Which cation precipitates first? Bi3+ Cd2+ (c) What is the concentration of AsO43- when the second cation begins to precipitate? [AsO43-] = M
A solution of Na3PO4 is added dropwise to a solution that is 0.0810 M in Ag+ and 0.00171 M in Cu2+. The Ksp of Ag3PO4 is 8.89e-17. The Ksp of Cu3(PO4)2 is 1.4e-37. (a) What concentration of PO43- is necessary to begin precipitation? (Neglect volume changes.) [PO43-] = M. (b) Which cation precipitates first? Ag+ Cu2+ (c) What is the concentration of PO43- when the second cation begins to precipitate? [PO43-] = M.