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- A technician finds the molar mass to be 134.8 g/mol and the pK, to be 4.65 after processing a data set for a solid acid unknown. Based on the previous information and the list of acid unknowns in the Laboratory Manual, what is the best call the student can make for the identity of the solid acid unknown? picolinic acid B para-aminobenzoic acid glutamic acid monohydrate potassium hydrogen phosphate, monobasic OA. O B. O C. O D.The following table gives the concentration of norepinephrine ( mol per gram creatinine) in the urine of healthy volunteers in their early twenties. (show complete solution) follow up question: Is there any evidence that concentration of norepinephrine differs between thesexes?Provide a flow chart analogous to separate a diethyl ether solution containing benzoic acid, 2-naphthol (a weak acid), 4-nitroaniline (a weak base), and naphthalene
- (n) (0)" (p) (0) (s) (t)# (u) ol M00, НО. "gre OH "NH₂ OH H₂N OH oⒸ/NaⒸ HCI/H₂O (excess)/A Aspirin (acetylsalicylic acid) 1₂ li Acetylcholine chloride ? A 225 °C (sublime) -[H₂0] [H₂Cro] CrO₂/H,0 H₂O/acetone H₂O H₂O warm then, dil H₂0¹ work-up H₂SO, (cat.) H₂0/A Hạo, Acetylcholinesterase 3Hexanoic acid was added to an immiscible biphasic solvent sysem, water and CCl4 at 20.0OC and the equilibrium concentrations of hexanoic acid were determined to be 3.66 g/L in H2O and 67.0 g/L in CCl4. Caluclate the distrubution coeffiecent (D1) of hexanoic acid in CCl4 with respect to water.For a solution containing 0.050 M sodium butanoate (the sodium salt of butanoic acid, butanoic acid can be found in appendix G). Calculate the fraction of association 0.011% 1.84% 5.25% 3.09% 0.008%
- Using the empiric method of Lemke, predict the water solubility for each of the following molecules Aspirin, Carphenazine maleate, Chlordiazepoxide, Codeine, Codeine phosphate, Cyproheptadine hydrochloride Haloperidol, Phenytoin(1) To prepare a solution of 50% sulphuric acid, a dilute waste acid containing 28% sulphuric acid is fortified with a purchased acid containing 96% sulphuric acid. How many kilograms of the purchased acid must be bought for 100kg of dilute acid? (2) A lacquer plant must deliver 1000pounds of an 8% nitrocellulose solution. They have in stock a 5.5% solution. How many dry nitrocellulose must be dissolved in the solution to fill the order?Hexanoic acid was added to an immiscible biphasic solvent system, water and CCl4 at 20.0OC and the equilibrium concentrations of hexanoic acid were determined to be 3.66 g/L in H2O and 67.0 g/L in CCl4. Caluclate the distrubution coeffiecent (D2) of hexanoic acid in water with respect to CCl4.
- The Merck Index gives the following data for the solubility of 1 gram of salicylic acid and 1 gram of aspirin: Aspirin (acetylsalicylic acid) Salicylic acid 300 mL of H2O 460 mL of H20 17 mL of chloroform 42 mL of chloroform 12 mL of ethyl ether 3 mL of ethyl ether a. If 10 grams of aspirin were dissolved in 3000 ml of water, what weight of aspirin would be removed by a single extraction with 3000 ml of ethyl ether? b. If 10 grams of salicylic acid were dissolved in 4600 ml of water, what weight of salicylic acid would be extracted by two sequential extractions with 2300 ml of chloroform for each extraction? Answer: a. 9.6g b. 9.8gt is composed of 40.00% mpirical formula of lacticA urinary sediment analysis reveals high levels of struvite (magnesium ammonium phosphate) crystals. What is the most likely urinary pH level (neutral, acidic or neutral) AND whatis the most likely diagnosis?