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Given:
Ksp(Ag2CrO4) = 1.2×10-12
Ksp(BaCrO4) = 2.1×10-10
For a solution which is initially 0.005 M in Ba2+ and 0.005 M in Ag+, it is desired to precipitate one of these ions as its chromate (CrO42-) salt to the maximum possible degree without precipitating any of the other cation. From this solution, which ion can be selectively first-precipitated by controlled addition of CrO42- and, ideally, what is the maximum possible percentage of that ion which can be exclusively so precipitated?
(Assume that there is no change in the total volume of the solution.)
Carbon-14 has a half-life of 5730 years. Currently living organisms decay at a rate of 15.3 disintegrations/min per gram of carbon.
how much water would they have consumed? How many kJ would be required to bring it to body temperature? (We noted in class that the amount of heat necessary to melt snow is 6.01 kJ/mol)
How much of a 500 ml bottle of 1.00 molar KCl solution should be diluted with deionized water to give 200.00 ml of a 0.100 molar solution
Problem- To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 6.20 nm in diameter?
what is the name and formula for a compound with a composition percent of 77.7% Fe, 22.3% O and a molar mass of 71.85
A weighing dish containing an impure sample of benzoic acide was found to weigh 12.35g. the weighing dish weighs 8.22g. The impure benzoic acid was recrystallized and thoroughly dried. The recrystallized benzoic acid weighed 2.48g. What is the per..
The bromine generation reaction is a spontaneous reaction. Must NaI been used instead of NaBr would I2 be formed? Validate with calculations. Initial reaction of NaBr and NaClO Bleach to produced Br2.
Calculate the pH at each point indicated in the titration of 100.00 mL of 0.0755 M NaClO2 with 0.0412 M HCl.
What is the power output of the turbine? H1= 1322.6 Btu/lbm v1=3.058 (ft)^3/lbm H2= 1148.6 Btu/lbm v2=78.14 (ft)^3/lbm
calculate the theoretical mass of hydrogen chloride formed in the reaction of sulfuric acid 2.00 mol with sodium
A voltaic cell consists of a Zn/Zn^2 + half-cell and a Ni/Ni^2 +half-cell at 25C. The initial concentrations of Ni^2 + and Zn^2 + are 1.70 M and 0.100 M, respectively. What is the initial cell potential
What is the ground-state electron configuration of the fluoride ion F-? Express your answer in condensed form, in order of increasing orbital energy.
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