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The pka of the carboxyl group is 3.0. you have 500liters of 0.1 M acetylsalicylic acid. how much solid sodium hydroxide has to be added to convert all of the acetylsalicylic acid into sodium acetylsalicylate but not give excess of sodium hydroxide in your solution? sodium hydroxide has a molecular weight of 40.00grams/mole
Based on your knowledge of the TLC of the components of Excedrin, propose an experiment that would separate these components, including the order of elution off a chromatography column.
Calculate the pH and the pOH of an aqueous solution that is 0.040 M in HCl(aq) and 0.065 M in HBr(aq) at 25°C.
the partition coefficient between ligroin and water for solute a is 4. what weight of a would be removed from a
Give two examples for each category of the following Redox reactions. Show molecular equations if the reaction does not occur in aqueous solution, and net ionic equations if the reaction occur in aqueous solution.
Calculate the deltaG for the hydrolysis of ATP in liver, muscle, and brain cells using the following table. In which cell type is the free energy of ATP hydrolysis more negative?
The reaction of methane and water is a way to prepare hydrogen according to CH4 (g) + H2O = Co2 (g) + H2 (g) a) If 995 g of CH4 reacts with 2510 g of water, how many moles of reactants and products are there when the reaction is finished
At 80 °C the vapor pressures of pure liquids X, Y, and Z are 385, 190, and 66 mm Hg, respectively. What pressure must be exerted on the surface of a solution
What is the freezing point of a solution of aluminum chloride that contains 42.0 g AlCl3 dissolved in 530. g of water?
For the synthesis of an insoluble salt (such as SrCl2 and Na2SO4, to get SrSO4) what are some reasons why percent yield may be greater than 100%? Lower than 100%?
The latest techniques in microspectroscopy are capable of detecting fluorescent molecules in volumes limited only by the spatial resolution of the microscope, as small as (1μm)3 . if a 2 micromolar (2μM) solution is sampled by such a microscope
Assess the feasibility of the reaction: N2H4 (g) + 2OF2 (g) ® N2F4 (g) + 2H2O (g) by determining each of the following quantities of this reaction at 25 oC.
Write balanced reaction equations for the two steps in the synthesis of 2-butoxynaphthalene.
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