5) A 100.0 mL aqueous solution containing 2.50 g of compound Z results is extracted with...
A solution containing 105 mg of compound C in 1.0 mL of water is to be extracted with CH2Cl2. The distribution coefficient of C between CH2Cl2 and water is 1.5. Note that compound C is more soluble in CH2Cl2. Part 4: Total amount of compound C removed from the aqueous solution after three 0.70 mL extractions with CH2Cl2. In Asolution containing 105 mg of compound C in 1.0 mL of water is to be extracted with CH2C12. The distribution coefficient...
An aqueous solution containing 5.00 g of solute X in 100. mL is extracted five times with 25.0 mL portions of organic solvent A each. What is the total amount of solute X that will be extracted by the solvent A. Given Ksolvent A/water = 3.75
Given the partition coefficient between ethyl acetate and water for Compound A is 7.0, 1. what mass of A, to the tenths place, would be extracted from a 50 mL solution of water containing 9.0 g of A using 25 mL ethyl acetate? (2 pt)
A 5 mL of a plasma sample containing an acidic drug was extracted with 10 mL of chloroform. The total concentration of the drug in the aqueous phase is 16 µg/mL. A total of 75% of the drug is ionized in the aqueous phase. The concentration in the organic phase is determined to be 7 µg/mL (i) What is the concentration of the ionized and unionized drug in the aqueous phase?[4 points] (ii) Calculate the apparent partition coefficient (Papp) of...
The extraction of 8.0 g of a particular organic compound dissolved in 100 ml of water into diethyl ether proceeds with a distribution coefficient of 5. How much of the compound is extracted after three separate extractions using 50 ml of diethyl ether each time? ***Please show work as I am not 100% sure how to solve for X**** Thank you!
An aqueous solution containing 17.5 g of an unknown molecular compound in 100.0 g of water was found to have a freezing point of -1.8
100 mL of aqueous solution containing 2,4,6-trinitrotoluene (TNT) at an initial concentration of 0.05 ppm is shaken with 10 mL hexane. After the phase separation, it was determined that the organic phase has 0.4 ppm. What is the partition coefficient, and what is the percent extracted? If the equilibrium concentration (rather than initial concentration) is 0.05 ppm, this would simplify the calculation. What would then be the partition coefficient and percent extracted? (Please answer or provide something for the second...
1.) What percent recovery could be expected if 1.000 g of caffeine was initially dissolved in 120 mL of water and then extracted with a single 80 mL portion of ethyl acetate? 2.) What percent recovery could be expected if 1.000 g of caffeine was initially dissolved in 120 mL of water and then extracted as per the protocol given in the lab manual? 3.) Percent recovery and percent yield are occasionally used as if they are interchangeable terms. They...
1. Identify and explain which solvents can be used from the list below to perform the extraction described in this experiment. Ethanol Acetone Diethyl ether Methylene chloride Benzene Toluene Methanol Carbon tetrachloride Acetic acid 2-propanol 2. An aqueous solution of a dye with molar extinction coefficient of 60,000, has an absorbance of 0.8 when a 1 cm cuvette is used. Calculate the concentration of the dye using Beer’s Law. (MW of the dye = 374) 3. A 20 mL portion...