A mixture of 5.0gA, 5.0 g B, and 5.0g C were separated by recrystallizationusing ethyl acetate as the recrystallization solvent Shown below are thesolubilities (in g/100 mL solvent) of A, B, and C in ethyl acetatecoldhotcoldhotcoldHot1.72.522361.65.3Which of the compound will be obtained relatively pure?Oa BC.

The process of recrystallization is used to purify the solid compounds. Solids have a tendency to be…

Answered: A mixture of 5.0 gA, 5.0 g B, and 5.0g…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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Similar questions

17.9. Crystallization by cooling and evaporation. Five thousand Ib/h of a saturated aqueous solution of (NH4),SO4 at 80°C is cooled to 30°C. At equilibrium, what is the amount of crystals formed in lb/h? If during the cooling process, 50% of the water is evaporated, what amount of crystals is formed in lb/h?
The viscosity values for the H2 and Freon-12 gas mixtures at 25 ° C and 1 atm pressure and the mole fractions of the mixture are given in the table below. For H2 and Freon-12, calculate the viscosity values of the mixture for 3 different compositions using pure viscosity values.
A gas mixture containing 25% mol CO2 and 75% NH3 is being scrubbed byan acid solution to remove the ammonia. The exit gas mixture contains 37.5% mol NH3. What percentage of the original ammonia has beenremoved? Assuming that the gas mixture behaves according to the idealgas law, that the CO2 remains unaffected, and that no part of the acidsolution vaporizes. (show diagram )
A continuous rectification column is used to separate a binary mixture of A and B. Distillate is produced at 100 kgmol/hr containing 98 mole% A. The mole fractions of A in the liquid and in the vapor, x and y respectively, from two adjacent ideal plates in the enriching section are as follows y_ 0.65 0.82 0.56 0.76 If the latent heat of vaporization is the same for all mixtures and if the feed is a saturated liquid, calculate, (a) The reflux ratio, (b) Vapor rate in the striping section in kg moles /hr.
2. (30 points) An aqueous solution of Na₂CO3 contains 12% carbonate and small amounts of soluble impurities, 80% of the carbonate is recovered as NaCO3-10H₂O by evaporation of water and subsequent cooling in a crystallizer to 41°F. The solubility of Na2CO3 at 41°F is 9.0% (weight). On the basis of 100 kg solution treated, determine the following: a. The amount of water evaporated. b. The quantity of crystals formed.
Shown here is a table of the vapor pressure of Vapor Pressure (kPa) benzene and toluene. Temperature (°C) Benzene Toluene 85 116.9 46.0 Estimate the heat of vaporization of benzene and of toluene at 85 °C and at 105 °C using the highest order of accuracy possible. Heat of vaporization can be calculated using the Clausius-Clapeyron 90 135.5 54.0 95 155.7 63.3 100 179.2 74.3 Relation: 105 204.2 86.0 d In P ΔΗ dT RT2
J 5
Note: Illustrate the given problem A saturated solution of NazSO4 at 30°C is cooled in a crystallizer to a saturated solution at 15°C. How many kg of Glauber's Salt, NazSO4.10H20 is expected to be produced from a metric ton of the solution at 30°C if (a) no water is evaporated and (b) 10% of the original water in the solution is lost by evaporation? Solubility at 15°C is 13.5 parts and at 30°C, 40 Na,SO4 per 100 parts water.
8
A petroleum cut has the following TBP Distillation data: Volume % distillate 10 30 50 70 90 95 Temperature °C 71 85 125 150 | 175 | 200 225 Calculate the a) Molal Average Boiling Point (MABP) b) mean average boiling points (MEABP)
A 100 mol liquid mixture contains 50 % Benzene, 30 % Toluene and 20 % Xylene on a molebasis. On evaporation, the liquid loses 30 % Benzene, 10 % Toluene and 5 % Xylene. If a secondliquid mixture containing 0.0781 kg Benzene, 0.277 kg Toluene and 1.59 kg of Xylene is added tothe remaining mixture after evaporation. Compute the following. (Data: M. Wt. of Benzene,Toluene and Xylene are 78.11, 92.14 and 106.16 g/g mol, respectively)(a) The composition of the remaining liquid mixture after evaporation.(b) The composition of the liquid mixture after addition of second liquid mixture.(c) Represent the above compositions along with the initial composition on a properly labeledtriangular graph paper and mark the region of composition change.
A mixture of propionic and n-butyric acids, which can be assumed to form ideal solutions, is to be separated by distillation into a distillate containing 95 mol% propionic acid and a bottoms of 98 mol% n-butyric acid. Determine the type of condenser and estimate the distillation operating pressure.

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