The distribution coefficient, k = (concentration in hexane/concentration in water), for solute A is 7.5. MAIN QUESTION: Comment on the extraction efficiency of procedure a. versus b. a. What mass of A would be removed from a solution of 10 g A in 90 mL water by a single extraction with 90 mL of hexane? b. What mass of A would be removed by 3 successive extractions with 30 mL portions of hexane?

The distribution coefficient, k = (concentration in hexane/concentration in water), for solute A is 7.5. MAIN QUESTION: Comment on the extraction efficiency of procedure a. versus b. a. What mass of A would be removed from a solution of 10 g A in 90 mL water by a single extraction with 90 mL of hexane? b. What mass of A would be removed by 3 successive extractions with 30 mL portions of hexane?

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter7: Solutions And Colloids

Section: Chapter Questions

Problem 7.44E

See similar textbooks

Similar questions

A solution is made by dissolving 0.455 g of PbBr2 in 100 g of H2O at 50C. Based on the data in Table 8-1, should this solution be characterized as a. saturated or unsaturated b. dilute or concentrated
A solution is made by dissolving 34.0 g of NaCl in 100 g of H2O at 0C. Based on the data in Table 8-1, should this solution be characterized as a. saturated or unsaturated b. dilute or concentrated
1. A 50.00 mL stock CaCl2 solution was diluted with water in a 250.0-mL volumetric flask. A 25.00 mL aliquot of this was further diluted to a final volume of 100.0 mL. Finally, 20.00-mL aliquot of the resulting solution was analyzed and found to contain 0.1500 M CaCh2 Solve for the concentration of the stock solution in M. 2. A 50.00 mL stock CaCl2 solution was diluted with water in a 250.0-mL volumetric flask. A 25.00 mL aliquot of this was further diluted to a final volume of 100.0 mL. Finally, 20.00-mL aliquot of the resulting solution was analyzed and found to contain 0.1200 g CaCl2 Solve for %w/v CaCl2 in the stock solution.
3. Estimate the concentration when 40 mL of 6.0 M MgSO4 is diluted to 100 mL?
3. To 20,00 ml of 0,1250 mol/l solution of silver nitrate – 25,00 ml of 0,1000 mol/l solution of potassium thiocyanate were added. Calculate pAg of this mixture. pKs(AgSCN) = 11,97 Express numerical result with an accuracy of: Х,ХX
A reagent bottle contains 250 cm3 of 0,4 mol.dm–3 oxalic acid(C2O4H2) solution. Calculate the mass of pure oxalic acid thatmust be dissolved in this solution so that its new concentration is 0,6 mol.dm–3. Assume that the volume of the solution remainsconstant
Order the following in terms of concentration, with 1 being the least concentrated and 4 being the most concentrated. .7 moles of solute per 300mL = [ Select ] 3.9 moles of solute per 100mL = [ Select ] 10 moles of solute per 2000mL : [ Select ] .2 moles of solute per 200mL = [ Select ]
Chemistry 19 9. Make 3 serial dilutions, each generating 400 mL of a 1-in-4 dilution of a 3M stock solution
A 887 mLmL NaClNaCl solution is diluted to a volume of 1.45 LL and a concentration of 6.00 MM . What was the initial concentration C1C1C_1?
A 10.00 ml sample with an unknown concentration of KNO3 was studied at 60° C. If an additional 2.4 g of KNO, were added to reach saturation. What was initial concentration of Q3 KNO, in M.
d. 1.10 g of K3PO4 in 430.0 mL of solution Mx+ =| M %3D Mpo, M
Salt A of 40 g is mixed with 500 g solvent. Solubility is 10 g A/100 g solvent. If 30 g more of salt was added, how many more will be dissolved? What kind of solution/mixture will be produced?