A solution of Na2C2O4 is added dropwise to a solution that is 7.15e-02 M in Cd2+ and 5.21e-04 M in Ag+.
The Ksp of CdC2O4 is
1.42e-08.
The Ksp of Ag2C2O4 is
5.4e-12.
Calculate the concentration of
C2O42- present in the
Cd2+/Ag+ solution when the first (initial)
cation begins to precipitate, and the concentration of
C2O42- present in this solution
when the second (final) cation begins to precipitate. Write down
which cation precipitates first and which precipitates second
(last). Choose the correct statement from below
based on your work.
a) The molarity of C2O42- which
begins to precipitate the final cation is 5.23e-02 M.
b) The molarity of C2O42- which
begins to precipitate the final cation is 7.55e-11 M.
c) The molarity of C2O42- which
begins to precipitate the initial cation is 1.47e-18 M.
d) The last metal cation to precipitate is Ag+ .
e) The molarity of C2O42- which
begins to precipitate the initial cation is 1.02e-09 M.
A solution of Na2C2O4 is added dropwise to a solution that is 7.15e-02 M in Cd2+...
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 Na,C,0, is added dropwise to a solution that is 0.0658 M in Cd2+ and 0.000500 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+ Agt (c) What is the concentration of C,042- when the second cation begins to precipitate? [C20-21 = C 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 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 0.0600 M in Bi3+ and 3.43e-05 M in Cd2+. The Ksp of BiAsO4 is 4.43e-10. The Ksp of Cdz(AsO4)2 is 2.2e-33. (a) What concentration of AsO4 is necessary to begin precipitation? (Neglect volume changes.) [A5043-) = x M. (b) Which cation precipitates first? O Bi3+ Cd2+ (c) What is the concentration of As043- when the second cation begins to precipitate? [4504?] = * 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 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.
A solution of Na2CO3 is added dropwise to a solution that contains 1.00×10-2 M Fe2+ and 1.49×10-2 M Cd2+. What concentration of CO32- is need to initiate precipitation? Neglect any volume changes during the addition. Ksp value: FeCO3: 2.10*10-11 Ksp value: CdCO3: 1.80*10-14 Which cation precipitates first? What is the concentration of CO32- when the second cation begins to precipitate?
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.
29. -10.1 points 0/4 Submissions Used A solution of Na3AsO4 is added dropwise to a solution that is 0.0361 M in B13+ and 0.000122 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.) [A5043-) = M. (b) Which cation precipitates first? O Bi3+ OCd2+ (c) What is the concentration of AsO43- when the second cation begins to precipitate? [A5043-) =