neCalendarBadgesAll coursesCourseIn extraction, usually we saturate the aqueous layer by salt in order to:Select onea Precipitate the organic solidTo remove soluble impuritiesOc Dry the organic layer (act as drying agent)Od. Break up emulsionsTOSHIBAB/OA%24465 6 1 7 V 8 A9 4 0&**

The answer is option c. which is, dry the organic layer(act as a drying agent).

In extraction, usually we saturate the aqueous layer by salt in order to: Select one O a Precipitate the organic solid Ob To remove soluble impurities Oc Dry the organic layer (act as drying agent) Od. Break up emulsions

In extraction, usually we saturate the aqueous layer by salt in order to: Select one O a Precipitate the organic solid Ob To remove soluble impurities Oc Dry the organic layer (act as drying agent) Od. Break up emulsions

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter12: Gravimetric Methods Of Analysis

Section: Chapter Questions

Problem 12.20QAP

See similar textbooks

Related questions

Q: It was found that solubility of benzoic acid in water at differont temjperatures Was according to…

Q: does melting point determination remove impurites in crude protein?

A: Concept- Melting point is the temperature at which solid will convert into liquid. Because it is a…

Q: Q and R will be soluble in the organic layer (ethyl acetate) – any residual inorganic material was…

A: This speration can be done by using sperating funnel and second method can be used is dstillation .

Q: A mixture of three compounds, A, B, and C is to be separated and purified by crystallization Their…

A: A question based on analytical separations that is to be accomplished.

Q: are rovided with a free: extract that is y ב pproximately 25 mg NADH/g extract. alculate the mass of…

Q: Luminol is insoluble in water, however it does dissolve in aqueo- xplain.

A: The question is based on the principle of solubility. we have to identify the reason why luminol is…

Q: `CI AICI3

A: In Friedel crafts alkylation, the first monoalkylated compound will again undergo an electrophilic…

Q: A researcher wishes to obtain a glycoside (an organic compound) from an aqueous plant extract using…

A: Total amount of glycoside extracted can be calculated using law of distribution. And the molar…

Q: One of the following is not a method to break up emulsion: Select one: a. Salting-out b. Stirring c.…

A: An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or…

Q: After graduating from your PhD, you are now working as a post-doctoral researcher in BASF , the…

A: A question based on thermodynamics, which is to be accomplished.

Q: Styrene (3.0 M) is copolymerized with methacrylonitrile (1.5 M) in benzene solution by adding…

A: Note: We are authorized to answer three subparts at a time, since you have not mentioned which part…

Q: 1. What is the total N in soil (%) if the consumed volume of 0.05 N H2SO4 was 0.01 ml? 2. What is…

Q: am trying to calculate the theoretical & actual percent yield of amyl acetate from a Fischer…

A: The question is based on the yield Calculation. We have to calculate theoretical and percentage…

Q: missing product(s) fill in the missing product

A: In the given reaction, 1 acts as a diene, and 2 acts as a dienophile.

Q: The workup of preparation of 1-bromobutane involves pouring the distillate into a separatory funnel…

A: A separating funnel is used to separate the two immiscible liquids, that do kot mix with each other.…

Q: CLEAR MY CHOICE The technique of extraction using a separatory funnel takes advantage of the a.…

Q: Why does a solid form at the interface of the two solutions? PROCEDURE Synthesis of Nylon In a…

A: Given that, the synthesis of Nylon-6,10. We have to tell why the solid polymer formed at the…

Q: Why is water used for liquid-liquid extractions? Select all that apply. Pourquoi l'eau est utilisée…

A: Liquid-liquid extraction is a method to separate compounds or metal complexes based on their…

Q: Dissolution is considered one of the mosto important quality control test performed on…

A: Qualitative analysis is a branch of chemistry that deals with the identification of elements present…

Q: After extraction and prior to evaporation of the organic layer, what experimental step should be…

A: Solvent extraction also referred to as liquid-liquid extraction is a type of extraction where the…

Q: The primary reason for the addition of anhydrous magnesium sulfate to the organic solvent layer…

A: The primary reason for the addition of anhydrous magnesium sulfate to the organic solvent layer…

Q: QUESTION 31 What is the common parpose for washing organic layers with saturated sodiu bicarbonate?…

A: There is 2 layer which is formed at the time of work-up after the reaction completion. If there is…

Q: Carbonyl Compounds The following data were obtained in the experiment for Carbonyl Compounds. Using…

A: All carbonyl compouds give positive 2,4-DNP test. Only aldehyde compounds give positive Tollens…

Q: science / che Questic Questic Recryst Lab Repor cinnamic aci you weighed of benzoic a in cold wate…

A: The solubility of benzoic acid is 0.34 g per 100 mL of cold water.

Q: Just prior to drying an organic layer with a drying agent, you notice water droplets in the organ…

A: We have to tell what we should do if the organic layer containing water droplets prior to drying…

Q: Define gelsication and Write the steps of “drying by sublimation” for heat labile products? and also…

A: Following are the appropriate answers of the given questions.

Q: ----- --.. Type of layer: Agueaus. Species contcined: Sodium benzoare, and Combined No OH (ay)…

A: The type of layer and species is answered in the next step:

Q: (b) A researcher wishes to obtain a glycoside (an organic compound) from an aqueous plant extract…

A: The amount of glycoside extracted in step is determined as follows.

Q: What is the purpose of adding anhydrous sodium sulfate to the organic layer after extraction? * it…

A: The question is based on the concept of organic chemistry. we have to explain the reason of adding…

Q: Write TRUE if the underlined word/phrase makes the statement correct. Otherwise, write the correct…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first 3 sub-parts of…

Q: A Which of the following can most likely increase the yield of recrystallized benzoic acid? O a. The…

A: Benzoic acid is an organic compound that contains a phenyl group (-C6H5) is directly bonded to a…

Q: How do you calculate the retention factor (Rf) for each spot ? Distance traveled by spot O 5.5cm…

A: Calculating the retention factor as:

Q: Upon completing a synthesis, you attempt to purify your material via recrystallization. You dissolve…

A: First we would explain recrystallization effect , then we can determine the issue in this given…

Q: Page lipid concentration and volume = 0.11 mm. 40 ML. /S Reagent Concentration = 2mg/mt Reagent Mw =…

A: Given the molarity of lipid solution, C = 0.11 mM Volume of lipid solution, V = 40 μL Required…

Q: Some organic solvents do not work well in liquid-liquid aqueous extractions. Ethanol (HOCH2CH3) is a…

A: As we know ethanol is polar in nature, and by the law like dissolves like. Ethanol is more miscible…

Q: Suppose you have an organic sample X that is somewhat soluble in water, even though it issomewhat…

Q: 11. Paper Production (cont.) Another problem is that water-based inks are absorbed too heavily into…

A: Cellulose is a polymer made of beta glucose monomers. Cellulose is mostly linear and abundant in…

Q: Fill in the blanks: The ratio of the solubilities of an extract in two different solvents during…

A: This can be solved by using Nernst distribution law.

Q: Using benzoic acid's solubility data in water (found in the pre-lab), calculate the amount of HOT…

Q: 10. Choose the CORRECT statement of the chromophores: Saturated organic functional groups that…

A: Chromophores are conjugated molecules that absorbs light and excites an electron from ground to…

Q: 0.9000-g of KIO3 is dissolved in 500-mL distilled water. A 50.0-mL aliquot portion was run down into…

Q: а. OH(aq) LO

A: Amide have acidic Hydrogen and OH- is the base so it will deprotonated the amide and we get salt.

Q: Explain what happens in the Hydrolysis of Esters with Acetic acid. Place 30 mL of ethyl acetate…

Q: It is important to pre-wet the filter paper before filtering your sample. Which statements about…

A: One important step in the procedure for filtration using filter paper is to pre-wet the filter paper…

Q: In this treatment level, part of suspended solids and suspended organic matter is removed. *…

A: Sewage treatment is the process of removing the wastes and contaminants in the sewage water through…

Q: Which of the following statements are true regarding formaldehyde manufacture: (Multiple answers…

Q: но Ph A (i) `Ph LIAIH4 then aqueous workup H+/heat D

A: Ketone show Addition reactions With grignard reagent .

Q: What is the purpose of the following? a) Adding CaCl2 to the extracted organic layer in extraction…

A: CaCl2 is an anhydrous form and it is used as drying agent to absorb water.

Concept explainers

Applications of Molecular Spectroscopy

When light sources pass through the diffraction grating then light splits into different wavelengths. The light source produces two types of patterns that are shown as destructive and non-destructive. The light source is in the form of quanta that is quantitation.

Question

ne
Calendar
Badges
All courses
Course
In extraction, usually we saturate the aqueous layer by salt in order to:
Select one
a Precipitate the organic solid
To remove soluble impurities
Oc Dry the organic layer (act as drying agent)
Od. Break up emulsions
TOSHIBA
B/O
A
%24
465 6 1 7 V 8 A9 4 0
&
**

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

A 4.912-g sample of a petroleum product was burnedin a tube furnace, and the SO2produced was collectedin 3% H2O2.Reaction:SO2(g)+H2O2→H2SO4A 25.00-mL portion of 0.00873 M NaOH was introducedinto the solution of H2SO4, following whichthe excess base was back-titrated with 15.17 mL of0.01102 M HCl. Calculate the sulfur concentrationin the sample in parts per million.
A Sample Containfng mmol of KNOS is "parsed 6.00 x10-2² mmol of vesay ad z.00x102 mmol af ves@y ad 2.00x1o2 though a cation -excharye Column. the Colculate. volume o.02.00 M NaH of needed to titrete the elwate,
One method of de ter minin) the concentration of hydrosen peroxide CH 202) ina slution s thraush ttration FEtea with The net ibnic equatich for this i odine jon. reaction 1 H 202 +21- t 2H t-712+2H20 A 50.00mL sample ofa hy oogen peroxide solution is found to react completely with 37. 12mL ok a 0. 1500 M Fl solotion.whetis the concentration? C) 0- 22 2フ d.J 0.404)M b)SS68 x10- 2M )カ-i114M C) 0.1010M
2. In one gravimetric analysis, the aluminum in a 1.2g sample of impure NHAI(SO4)2 was precipitate as hydrous ALO3.XH2O. The precipitate was filtered and ignited at 1000 °C to give anhydrous Al2O3 which weighed 0.1798g. Calculate the % Al inthe sample. 3. A sample of 0.4500g impure potassium chloride was dissolved in water treated with excess silver nitrate solution. 0.8402 g of silver chloride was precipitated. What is the percentage of potassium chloride in the sample?
1,5419 g of magnetite (Fe3O4) ore; Fe+2 and Fe + 3 in concentrated HCL to form a mixtureit's unraveling. Adding HNO3 to all Fe +2s Fe +3 e and Fe+3 s NH, addingwith Fe(OH)3, precipitating into. Sediment in the form of Fe3O4 after necessary operationsand 0.8525 g. Calculate the percentage of Fe3O4 in the sample.
A 0.501 g sample of sulfathiazole was assayed usingdiazotization with 0.1905M NaNO2 VS, using 18.7 mLof the titrant. Each mL of 0.1 M NaNO2 is equivalentto 25.53 mg of C9H9N3O2S2. What is the % purity?
Which compound has the lowest molar solubility in pure water at 25 °C? ZnS; Ksp = 2.0x10-25 %3D O CoS; Ksp = 5.9x10-21 O PbS; Ksp = 3.2x10-28 %3D O CuS; Ksp 7.9x10-37
Riedick the pr ducts/ifany that will be fomes bu Me gE no reachion dccurs, yeachion below woite R azter the geaction arrow 1+ AlCs) -y e praducts/if nay) d by-the neachion belain E no reachion Occurs , Warit Bredict the that will be forme Nh arter the renchion arrow reachin Colalag)t Mals)- t ー7 Bodict the products (if any) that will be forimed be the genchion below. na reachon Dccurs, write NR the reachin arrow axter PtClala9)+Mn(s)
H.W 1) Calculate the number of meq. of H;C:O..2H;0 (fw= 126.1) in 0.5 gm of the pure compound assuming that two hydrogen ions to titrated with standard base? 2) A standard AGNO, solution prepared by weighting exactly 24.15 gm of carefully prepared solid, dissolving in water and diluting in a volumetric flask to exactly 2 L. What normality of the solution?
An impure sample of KCIO, (FW = 122.5 g/mol) weighing 0.1353 grams was dissolved in 50.0 mL distilled water, added with KI & acid. The 1₂ formed was titrated with 38.00 mL of 0.1005 N Na₂S₂O3 with starch as indicator. Calculate the % (w/w) KCIO3 in the sample.
H1 gramof Sampleof an impure mixture af NARCOZ and Natteo, containing impurties is dissalved and tityated with SN Hel wit p colourless after addition5mD otacid-Methyt ge is then added and 22ontof, acid reguired orange tochange the of Naz coz benotphthalein as indicator, the sotudion Curns this indicator what is the percoulye and Na Heoz in the sample ?
E. Analysis of a mixture consisting of NaOH + NażCO3 + inert matter gives the following data: Sample portions are titrated. With one portion, an end point with phenolphthalein is obtained in cold solution, with 44.52 mL of 0.5000 N HCI. The other portion requires 46.53 mL of the acid for an end point with methyl orange. Calculate the percentage composition of the original sample. 10.00 g. Its aqueous solution is diluted to 250.0 mL and two separate 25.00 mL