a-) Compound X is steam distilled at 92C under the pressure of 0.977 atm. Amount of water in distillate is found to be 12.1023 g and amount of the compound X is 19.4023 g. Determine the molecular weight of compound X. (Pw=0.746 atm at 92C)b-) Determine the % error in your experiment if the actual molecular weight of the compound X is 106.16 g/mol. a) (20pts) Compound X is steam distilled at 92°C under the pressure of 0.977 atm.Amount of water in distillate is found to be 12.1023 g and amount of the compound Xis 19.4023 g. Determine the molecular weight of compound X. (P°w=0.746 atm at92°C)b) (10pts) Determine the % error in your experiment if the actual molecular weight of thecompound X is 106.16 g/mol.

a) Given, total pressure of system (X + water) =0.977 atm =742.52 mm Hg vapour pressure of water…

a-) Compound X is steam distilled at 92C under the pressure of 0.977 atm. Amount of water in distillate is found to be 12.1023 g and amount of the compound X is 19.4023 g. Determine the molecular weight of compound X. (Pw=0.746 atm at 92C) b-) Determine the % error in your experiment if the actual molecular weight of the compound X is 106.16 g/mol.

a-) Compound X is steam distilled at 92C under the pressure of 0.977 atm. Amount of water in distillate is found to be 12.1023 g and amount of the compound X is 19.4023 g. Determine the molecular weight of compound X. (Pw=0.746 atm at 92C) b-) Determine the % error in your experiment if the actual molecular weight of the compound X is 106.16 g/mol.

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter13: Solutions And Their Behavior

Section13.5: Colloids

Problem 1.1ACP: The blue line on the diagram illustrates the effect of using fractional distillation to separate a...

See similar textbooks

Similar questions

The blue line on the diagram illustrates the effect of using fractional distillation to separate a mixture of hexane (C6H14) and heptane (C7H16). If one starts a fractional distillation with a 0.20 mole fraction of hexane, what is the approximate mole fraction of hexane in the vapor phase after two evaporation condensation cycles? Figure B A temperaturecomposition diagram for hexane (C6H14)-heptane (C7H16) mixtures.
by the of magliesI using Ksp = 3. Calculate the concentration of chloromethane (CH;CI) in water (mg/L to four significant figures) if the gas phase concentration contains 0.25% (use KH = 0.1495 mol/L.atm, Cl=35.5, C=12, H=1).
Pre-lab Assignment 1.) Note from the 'Introduction' that the freezing-point-depression constant, Kfp, for any solvent can be calculated as long as the heat of fusion, AHfus, and freezing point of the solvent is known. Calculate the freezing-point-depression constant (in SI units) for carbon tetrachloride, CC14, given that its heat of fusion is 2.5 kJ/mol and its freezing point is 250.3 K. M solvent & (TF Solvet) AIFUD - molor Mod 1=0,0821 LATM/ molk ~14=153.82glangs Кы = latm (153.82 $7) (0.0821 (ar) (250.5x)² 2 2.5 123/M/G\
1. A solution is known to contain 38.04 ± 0.03 mM KCl, and you have taken an aliquot of this solution using a pipette calibrated to deliver 20.013 ±0.006 mL. Determine the number of moles of KCl that are delivered in the aliquot, including the absolute uncertainly in that value. 2. You deliver the aliquot taken in problem 1 into a volumetric flask with a volume of 250.00 mL ± 0.02 % and dilute the solution to volume in the flask using Dl water. What is the concentration of KCl in this flask, report your answer with the absolute uncertainty. 3. Tabulated below are replicate titration volumes for an analysis. What is the error (both absolute and percent) for the average titration volume?
1. (a) In the experiment carried out to determine the degree of association of benzoic acid in benzene (C6H6), the cooling curves of pure benzene and benzoic acid solution prepared by dissolving 0.358 g benzoic acid in 20 mL of benzene were obtained by using Beckmann thermometer, calibrated before the experiment. The cooling curves are given in the figure below. Calculate the degree of association of benzoic acid in benzene for the given solution. Ky= 5.055 K kg.mol-¹, dbenzene- 0.876 g.cm³, MBenzoic acid=122.12 g.mol-¹ T(°C) 2.88 2.38 Benzene Solution t(min)
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.
In 6.75g of distillate >130C. After performing all necessary GC calculations, it is determined that this sample is 75.9% isopentyl acetate. What qas the actual mass(g) of isopentyl acetate that was actually in this sample? Answer to 2 decimal places
When 127. mg of a certain molecular compound X are dissolved in 55.0 g of dibenzyl ether point of the solution is measured to be 1.6 °C. Calculate the molar mass of X. If you need any additional information on dibenzyl ether, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and is rounded to the correct number of significant digits. ((C6H₂CH₂)₂0), 2 the freezing OO B olo Xu
18. You need to dilute 10 M sulfuric acid to 0.5 M sulfuric acid for your experiment. You plan to use 100 mL of your diluted solution. How much of the concentrated solution do you need? Hint use M₁V₁=M₂V₂ 0.5 mL 5 mL C. 50 mL d. 500 mL a. b. (10M)V₁ = (0.5)(100ml) sob (10) = 500 1.05 10
Standardization of a sodium hydroxide (NaOH) solution against potassium hydrogen phthalate (KHP) yielded the following results: Mass of KHP, g Volume of NaOH, mL 0.7987 38.29 0.8365 38.96 0.8104 38.51 0.8039 38.29 MM KHP: 204.22 MM NaOH: 40.00 a. Calculate the mean molar concentration of sodium hydroxide. (First, compute the concentration of NAOH in each titration then compute for its mean/average value.) b. Calculate the standard deviation. Please provide solutions for your answers. If you have used your calculator for calculating for mean and standard deviation, you can just provide the formula with the values indicated.
Two liquids, A and B, are mixed. The mole fraction of B for this mixture is 0.65. This mixture is purified through fractional distillation. What will be the temperature of the vapors as liquid begins to be collected from the distillation column? The following information may be useful. Boiling point of A: 85 "C Boiling point of C: 157 "C Boiling point when XB = 0.65: 125 °C Select one: a. 85 °C b. 157 "C c. 125 "C
3. Fifty millilitres of an aqueous solution contains 3.0 g of substance A, The distribution coefficient of A between ether and water, K= c(ether)/c(water) 4.0. Calculate how much of A %3D remains in the water layer after: (a) one extraction with 50 mL of ether. (b) two extractions with 25 mL of ether.