The partition coefficient of iodine between CCl4 and water is CCC14/CH20 = K = 85, where the C₁ represent the concentration in mol/L of iodine in the solvent. (a) If you want to extract 90% of the iodine from 100 mL of an aqueous iodine solution in a single extraction, Calculate the volume of carbon tetrachloride needed. (b) If you want to extract 90% of the iodine from 100 mL of an aqueous iodine solution in two extractions of equal volumes, calculate the volume of carbon tetrachloride needed in each. (c) If ß is the fraction of iodine remaining in the aqueous solution after n extractions with equal volumes of CC14, show that as n → ∞, the total required volume of CCl4 per unit volume of water for each extraction is given by:

The partition coefficient of iodine between CCl4 and water is CCC14/CH20 = K = 85, where the C₁ represent the concentration in mol/L of iodine in the solvent. (a) If you want to extract 90% of the iodine from 100 mL of an aqueous iodine solution in a single extraction, Calculate the volume of carbon tetrachloride needed. (b) If you want to extract 90% of the iodine from 100 mL of an aqueous iodine solution in two extractions of equal volumes, calculate the volume of carbon tetrachloride needed in each. (c) If ß is the fraction of iodine remaining in the aqueous solution after n extractions with equal volumes of CC14, show that as n → ∞, the total required volume of CCl4 per unit volume of water for each extraction is given by:

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

Construct the expression for Ksp for solid Ba3(PO4)2 in aqueous solution. Вa (РО:)-(s) 3D З Ва" (аq) + 2 РО.* (аq) 1 Based on your knowledge of how the solid will dissociate in aqueous solution, use the tiles to form the expression. Ksp 5 RESET [Ba-(PO:)] 2[Ba:(PO:)-] 3[Ba:(PO:)-] [Ba-(PO:).J? [Ba:(PO:):]3 [Ba*] 3[Ba*] [Ba*j [Ba*"] 3[Ba"] [PO.2] 2[PO] [PO.P [PO.] 2[PO.] [PO. P 3[PO.] [PO. P
1. After 3 hours, Ibuprofen is at 100mg 2. m(t)=400e^−0.462t, K=0.462 Please answer question 5.
Differentiate between distribution ratio (D) and partition coefficient (K,).
What are the Practical Application of Standardadization of NaOH?
To study the photochemical decomposition of aqueous bromine exposed to bright sunlight, we dissolved a small amount of liquid bromine in water contained in a glass jar and placed under direct sunlight. The following data were obtained at 25\deg C:\table [[Tiempo (min ), 10, 20, 30, 40, 50, 60], [Ppm, 2.45, 1.74, 1.23, 0.88, 0.62, 0.44]] Determine the reaction rate order and the specific reaction rate constant: a) Differential method ( The method for obtaining the derivatives is left to your decision) Tiempo (min) Ppm Br₂ 10 2.45 20 1.74 Ć 30 1.23 40 0.88 50 0.62 60 0.44
Combine the calculated response entropy and response enthalpy for the following reactions to calculate the standard response gibbs energy at 298 K. (a) HCl(g) +NH3(g) →NH4Cl(s)(b) 2Al2O3(s) + 3Si(s) → 3SiO2(s) + 4Al(s)(c) Fe(s) + H2S(g) → FeS(s) + H2(g)(d) FeS2(s) + 2H2(g) → Fe(s) + 2H2S(g)
(2) The solubility of methane in water at 20 °C and 1.00 x 105 Pa pressure is 0.025 g dm-³. What is its solubility in water at 1.25 x 105 Pa and 20 °C?
A chemical solute has a partition coefficient of 11.2 between hexane and water. If the equilibrium concentration of solute in hexane is 0.00815 M, the equilibrium concentration of the solute in water is: a)7.59 x 10-4 M b) 0.0913 M c)0.00815 M d)1.37 x 103 e)None of These
6.
Given Zn(s)| Zn 2+ (aq) (1M) || Ag+2+ (aq) (1M) | Ag (s) Eocell = 1.562V What will the Ecell be if the [Zn2+] = 0.75M and [Ag+] =0.25 M at 40.00oC (313.15K)? The overall reaction is Zn(s) + 2 Ag+ (aq) --> 2 Ag (s) + Zn 2+ (aq) (Answer has 3 digits after the decimal)
Tartaric acid can be titrated with a standard alkali. A 25.0 cm3 sample of the acid was exactly neutralized by 27.5 cm of a 0.10 mol dm potassium hydroxide solution. Assuming that tartaric acid is monobasic, calculate the molar concentration of the acid.
(4c) Consider a situation where phenol is partitioned between water and benzene with a partitioncoefficient of 1.35in favour of benzene. Suppose we have 2g of phenol dissolved in 250ml of water. How muchphenol will be extracted into 250ml of benzene with a single extractionand howmuch phenol is left in water?.