You have 100 mL of solvent available to do an extraction. Which will give a better separation? a. 1 extraction with 100 mL b. 2 extractions with 50 mL c. 5 extractions with 20 mL d. 3 extractions with 25 mL

Q: Draw an extraction flowchart for the separation of aniline (Ph-NH₂), benzoic acid (Ph-CO,H) and…

A: Given:Aniline Benzoic acid Ethyl benzene Provide an extraction flowchart describing the separation…

Q: 4. You have been given a 5% (w/v) glucose solution to prepare a seven-tube serial dilution for…

A: The problem is asking for the concentration of the 5th tube in a seven-tube serial dilution series.…

Q: i need help determining amount recovered in an extraction. i started with a .51g mix of…

A: Percentage recovery and amount recovered are terms used in chemistry to describe the efficiency of a…

Q: The sample containing 4.2 % Nacl will be determined gravimetrically as AgClI. What weight (in…

A: Given that Sample contain 4.2% NaCl AgCl precipitated = 0.39 mg = 3.9×10-4 gram Molar mass NaCl =…

Q: If you are extracting a substance from water into ether, is it more effective to do one extraction…

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Q: Make a schematic diagram for the procedure below: B. % SO3 determination Dry the soluble sulfate…

A: Given: procedure of % SO3 determination. To find: a schematic diagram for the procedure.

Q: 1000 μl of 1M NaCl stock solution (aq). How you would perform serial dilution to obtain 10-1,…

A: in laboratory, a standard solution is prepared which is called as stock solution.the other solution…

Q: c. What caused variation (three reasons) in your values of K?

A: The balanced chemical equation can be written as, Fe3+ + CNS- → [FeCNS]2-. The equilibrium…

Q: Based on the first set of numbers, please help solve the rest.

A: Detailed explanation:  To solve the gas chromatography of lime oil problem, we need to calculate the…

Q: Fractional distillation lab What is the purpose of distillation? What is the theory of fractional…

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Q: Arrange the following steps in the correct order. I. Prepare the separatory funnel. II. Mix and…

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Q: Can you proceed with sample analysis even without standardizing the titrant solution? Why or why…

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: Q5. Which distillation technique is more efficient, simple or fractional? Explain briefly.

A: Since you have asked multiple questions, we will solve one question for you. If you want any…

Q: A student measures the following using a crude colorimeter. Intensity of blank =206 Intensity of…

A: When the intensity of light is passed through the sample solution then some of the light is getting…

Q: Question 4. New December 18, 2020. The nitrite in a series of standard solutions (mg/L, n = 5) are…

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Q: Procedure. IODOFORM TEST 1. Put 10 drops of the following compounds into separate test tubes: ethyl…

A: As we are given the four reactants that are ethyl alcohol, propyl alcohol, isopropyl alcohol and…

Q: Density of Small Rectangular Prism (Small wooden block) 1. Measure the dimensions of the wooden…

A: • The values provided in the question are:-        i) Mass of wooden block, m = 6.68 g      ii)…

Q: Following the monograph procedure, a 724-mg of aspirin (MW=180 g/mol) dissolved in 18.5 ml of cold…

A: The aim of this question is to explain the total amount of excess titrant used in the titration, the…

Q: week. Procedure 2: repeat the procedure. This time use 50:50 mix of methanol and water for…

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Q: 3. The following image is a scheme for serial dilutions prepared for spectrophotometric analysis. If…

A: Step 1:Step 2:Step 3:Step 4:Step 5:

Q: S.s.s.s.s.s.g.g.g.f

A: Final [Pi]  ([Pi]2) (uM)Vol of 1 mM Pi(Va)(uL)[PNPP] ([PNPP]2)(mM)Vol of 0.5 mM PNPP(Vb)(uL)Vol of…

Q: What is the corrected weight (g) of KHP (Molar mass = 204.22 g/mol) with an actual weight of 0.8026…

A: Given data: Molecular weight (M) = 204.22 g/mol Actual weight (Total weight) = 0.8026 g % of the…

Q: Question 2 A mixture of cyclohexane (b.p 81 °C) and toluene (b.p 110.8 °C) need to be separated and…

A: Given that, a mixture of cyclohexane (b.p 81 °C) and toluene (b.p 110.8 °C) needs to be separated…

Q: Benzene-Kerosene solution has concentration of 95 vol% kerosene. What is the benzene-kerosene mass…

A: 95 volume % kerosene  Specific gravity of benzene = 0.876 Specific gravity of kerosene = 0.81 Mass…

Q: is

A: KD is the distribution coefficient that indicates the amount of sample taken dissolved in the two…

Q: Answer the following: Maria was given a capsule of multivitamins and she was asked to determine the…

A: Given as  The weight of Ascorbic acid is  1.032 g. We have to determine the % by mass (w/w) of…

Q: Determination of the ppm Fe in a water sample using the iron-phenanthroline method. Presence of…

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Q: 5. Do you think the toluene/water combination would be a good binary solvent system for a mixed…

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Q: I have 1 gram of sample, and add 0.1 mL of a 50 ug/mL solution of atrazine. I extract with 10 mL of…

A: Ans. Spike Recovery or spike and recovery is a method used to determine that whether an analyte…

Q: ASAP: Please help me solve for Average Molarity of EDTA Standard Solution and Ca Titer (mg Ca/mL of…

A: The experimental data for the below reaction is given, Ca2+(aq) + EDTA4-(aq) ⇌ CaEDTA2-(aq)

Q: Please see attached image.

A: The % recovery can be calculated as follows: %recovery = Mass of productMass of sample ×…

Q: Methodology: Make schematic diagram for the procedure below B. % SO3 determination Dry the soluble…

A: We need to make a schematic diagram for the given procedure.

Q: Table 3 Burette Reading (NaOH) Initial Final Trial reading reading Δν Added Volume: AV (V1) (V2) 1 O…

A: Trial 1 Initial reading on burette V1 = 0 mL Final reading on burette V2 = 16.2 mL Change in volume…

Q: Use the simulation lab to obtain the distance for the solvent front and the distance for each spot…

A: Rf value can be calculated using the expression: Rf=Distance travelled by the componentDistance…

Q: An experiment is started with 6g of a 1:1:1 ratio mixture of benzoic acid, 2-naphthol, and…

A: An experiment is started with 6g of a 1:1:1 ratio mixture of benzoic acid, 2-naphthol, and…

Q: 1. A 0.1250-g sample of pure (100%) of K2Cr2O7 was dissolve in 250-mL volumetric flask, and dilute…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 1. Which of the following is the best option for transferring 20 mL of a solution? a.Use a 5mL…

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Q: In Figure 7 above, the 3 columns represent 3 different samples. Which column(s) represent pure…

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Q: Which of these solvent systems would cause a compound to elute from the column fastest (a,  b, or…

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Q: Given the following data Dissolved Oxygen Titration Data Trial 1 Preparation of titrant 0.4455 g…

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Q: Which of the following could DECREASE the amount of the recovered crystals in the purification by…

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