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Consider a solution that is 1.1*10^-2 M in Ba2+ and 2.0*10^-2 M in Ca2+. A - If sodium sulfate is used to selectively precipitate one of the cations while leaving the other cation in solution, which cation will precipitate first? Ba2+ precipitates first. B - What minimum concentration of Na2SO4 is required to cause the precipitation of the cation that precipitates first?
A solution is prepared by mixing 50.0 mL of 0.20 M Pb(NO3)2 with 50.0 mL of 1.5 M KCl. Calculate the concentrations of Pb2+ and Cl - at equilibrium. [Ksp for PbCl2(s) is 1.6 10-5.]
A chemist wants to make 6.0L of a .350M CaCl_2 solution. What mass of CaCl_2 should the chemist use?
calculate the molecular weight of Isoamyl acetate with a density of 0.876. Then calculate the theoretical yield of isoamyl acetate in ml, grams and moles. Show all work and calculations.
Interhalogens are covalent compounds when one halogen is bonded with another halogen. When 3.299 of iodine reacts with fluorine, 5.768g of IFx is formed. What is the value of x in product formula (IFx)?
A student evaporated 100.0 mL of a saturated TlCl solution and found the solid TlCl she recovered weighed
What is the specific heat for the metal? Express your answer with the appropriate units. B) The molar heat capacity of silver is 25.35 J/mol
2. (a) Calculate the value of critical radius ratio for coordination number of 4 in an ionic compound (that is, convince yourself by calculation that the value given in the text is correct.) (b) repeat for a coordination number of 8.
If a sample that is 1.200g in 25.0mL of heptane is cooled to 0 degrees C, what would be the percent recovery of the solid that would be collected? (M.P.=80 degrees C)
if the solid NaCl in a saturated solution of NaCl continues to disolve, why is there no change in the concentration of the NaCl solution
How many grams of acetic acid will you need to prepare the 500 mL buffer? Note that the given concentration of acetate refers to the concentration of all acetate species in solution.
Describe all the symmetry planes in methylene chloride Draw a figure and arrows to show any symmetry exes in methylene chloride. Also state how many fold.
What is the density of a rock that weighs 10 grams and displaces water in a graduated cylinder from 100 to 120 mL.
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