Sodium hydroxide is added to a solution that contains 0.049 MA13+ and 0.011 M Mg2+. The...
Purifying Mg2+ from sea water. Aqueous sodium hydroxide is added to an aqueous solution that contains 0.0099 M magnesium chloride and 0.021 M calcium chloride. What will be the concentration of the metal ion that precipitates first (as M(OH)2) at the time the second metal ion begins to precipitate? Ksp (Mg(OH)2) = 6.3 x 10-10 and Ksp (Ca(OH)2) = 6.5 x 10-6 Hint: Use Ksp values to determine the solubility of each product to determine the order of precipitation.
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.
Consider a solution that is 2.4×10−2 M in Fe2+ and 1.8×10−2 M in Mg2+. [K2CO3] = 1.3×10−9 M is the minimum concentration of K2CO3 is required to cause the precipitation of the cation that precipitates first What is the remaining concentration of the cation that precipitates first, when the other cation just begins to precipitate? What is the remaining concentration of the cation that precipitates first, when the other cation just begins to precipitate? Express your answer using two significant...
A solution of Na3PO4 is added dropwise to a solution that is 0.0353 M in Ca2+ and 1.43e-08 M in A13+ The Ksp of Ca3(PO4)2 is 2.07e-33. The Ksp of AlPO4 is 9.84e-21. (a) What concentration of PO4 is necessary to begin precipitation? (Neglect volume changes.) [PO3) = (b) Which cation precipitates first? Ca A13+ (c) What is the concentration of PO43- when the second cation begins to precipitate? (PO43-] = M.
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...
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 contains 1.26x10-2 M lead acetate and 8.96x10-M iron(III) nitrate. Solid sodium hydroxide is added slowly to this mixture. What is the concentration of iron(III) ion when lead ion begins to precipitate? [Fe3+]=
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.
Can you please solve this Sodium hydroxide is added to a solution containing Mg2+ to produce a pH of 11.0 and form a precipitate of Mg(OH)2. (a) Given the Ksp of Mg(OH)2(s) is 6.0 x 10", calculate the molar concentration of Mg?* in solution. (b) The K, for Ca(OH),(s) is 6.5 x 10º. Explain how pH adjustment can be used to distinguish the presence of Mg from Ca“ in an EDTA titration of "hard" water containing both cations.
A solution contains 6.16×10-3 M potassium bromide and 1.32×10-2 M sodium hydroxide. Solid silver acetate is added slowly to this mixture. A. What is the formula of the substance that precipitates first? B. What is the concentration of silver ion when this precipitation first begins? [Ag+] =