Determine the approximate percent ionization
Determine the approximate percent ionization of a 0.1 M aqueous HCN solution which also contains the 0.1 M CN¨C; Ka = 6.2¡Á 10¨C10. Explain in detail.
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A 331 mL container holds 0.146 g of Ne and an unknown amount of Ar at 308 K and a total pressure of 622 mmHg. How can estimate the moles of Ar present.
The vapor pressure of pure benzene (C6H6) is 0.930 atm at a certain temperature. A solution was prepared by dissolving the 10.0 g of a non-dissociating, nonvolatile solute in the 78.11 g of benzene at that temperature.
Determine the pH of the solution that results from mixing the 15mlof a strong acid solution, pH = 3.0, with 10ml of a strong base solution, pH 7.2.
Determine the vibration frequency, in cm-1, needed to increase the energy of a hydrogen fluoride molecule from the v=5to the v=6 energy level?
The complexes [Mn(H2O)6]2+, [Fe(H2O06]3+, [MnCl4]2-, and [FeCl4]-all have magnetic moments of nearly 5.92 BM. Discuss what does this tell you about the geometries and electronic structures of these complexes?
Calculate which of the following is paramagnetic, explain your choice, and determine its magnetic moment:
Explain how would you make 70mL if a 1:10 dilution? Explain how would you make the 40mL of a 1:20 dilution of 1M NaCl solution?
An aqueous sample which is having 15.00-mL, was analyzed for its nitrite content by reaction with the 40.13 mL of 0.04013 N acidified potassium permanganate solution, liberating nitrate ion.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
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