explain importance of Gravimetric Analysis when it comes to operation/s of each procedure/method? (please include hazard

Q: What is the mobile phase for the separation shown and the relative retention between peak 3 &4?

A: Generally mobile phase is an organic solvent here, so many solvents are used for the mobile…

Q: Increasing reagent concentration makes the change in pAg larger.

A: we know, pAg =  -log[Ag+]. so with increasing the concentration of reagents,pAg decreases. Option C…

Q: Fresh solvent - eluent Mobile phase Sample components A Celumn packing Stationary phase suspended in…

A: B is less polar and A is more polar Because the stationary phase is polar, polar molecules will…

Q: Why would precision not matter when you are calibrating a pipette? Background info: You are counting…

A: Titration is the quantitative method of estimating the strength of the any component. Molarity is…

Q: I'm not sure how to approach this problem because the ruler on the chromatogram starts at 2.

A: Rf value in chromatography, is the ratio of distance travelled by solute to distance travelled by…

Q: show the instrumentation of HPLC providing a schematical representation ?

A: Instrumentation:-

Q: Complete the table and discussion.   Table 1.1 Preliminary observations of the dissolution…

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Q: Which statement is valid when the multiple extraction and single extraction is compared.

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Q: In a normal phase chromatography setup, which would be the predicted characteristics of the eluates…

A: A normal phase chromatography involves a stationary phase and a mobile phase.  It is an adsorptive…

Q: A supporting electrolyte is usually added to the analyte solution to minimize solution…

A: 1. SOLUTION - The correct option is (a) minimize solution resistance According to the question -…

Q: Nitrogen Content Assay Method I is also known as? Distillation Micrometric Method Macromethod…

A: Nitrogen Content Assay Method I is also known as?

Q: Learning Task 2.

A: Given,

Q: 2. A mixture of acid compounds is analyzed by paper chromatography. Use the centimeter uler to…

A: Retention  factor is used for  sperating mixtures and identifying the Compounds.

Q: Which of the satements below is/are limitations of Dumas Method? i. The Ideal condition is just an…

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Q: order to execute paper chromatography, which of the following stages is required? I. Load the…

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Q: What specimens and procedures require a chain of custody form? Put in a table with corresponding…

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

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Q: Vitamin C Analysis, a student accidentally puts 1.0 g of sodium bicarbonate (NaHCO3) solid into the…

A: The sodium bicarbonate (NaHCO3) solid is a base which neutralises the acid in the reaction. Hence it…

Q: Write the names of four main GC detectors (titles only). Which one of these detectors is used on its…

A: A question about GC detector, which is to be accomplished.

Q: Data Sheet with Sample Results Note: results that require calculations are purposely left blank and…

A: Solution Mass of NaCl dissolved = (mass of beaker+stirring bar+NaCl)-(mass of beaker+stirring bar) =…

Q: . Describe volumetric quantitative analytical methods.

A: In chemistry, there are many ways to check the deviation of experimental data from the accurate…

Q: n order to calibrate a pipet, you obtain the following data:   # of drops mL Trial 1 30 0.72 Trial 2…

A: Pipettes are used to measure liquid samples and transfer from bulk to reaction mixture. Pipettes…

Q: Solvent front Solvent front Distance to Distance to Compound 2 Distance to Developed compounds…

A: In the Thin-layer chromatography, a stationary phase is taken which can be a chromatography paper.…

Q: Part 1 NH3. Kp(NH3) = 1.8E-5. eTextbook and Media Hint Save for Later Using multiple attempts will…

A: PH of weak acid and weak base

Q: Which of the following describes a gradient elution process?       stationary phase has varying…

A: In the given question, the nature of the stationary and mobile phase in the gradient process of…

Q: Kinetic Data Collection Time, t (s) Volume of added base (mL) Flrst additlon 40 0.50 Second addition…

A: Given: Concentration of NaOH stock solution = 0.01 M Concentration of t-BuCl stock solution = 0.2 M…

Q: In order to calibrate a pipet, you obtain the following data:   # of drops mL Trial 1 30 0.72…

A: Given- Trial number Number of drops mL Trial 1   30 0.72 Trial 2 30 0.77 Trial 3 30…

Q: EXPERIMENT: SIMPLE BATCH DISTILLATION    I want theory background for this experiment

A: The answer is given below

Q: Diprivan® (propofol) is a commonly used sedative-hypnotic agent used for sedation and anesthesia…

A: Here we have to choose the correct nature of diprivan-

Q: In a normal phase chromatography setup, which would be the predicted characteristics of the eluates…

A: Ans : Eluates will be in decreasing polarity ( Benzoic acid is more polar than benzaldehyde.…

Q: integrator A. measures absorbance data detector B. processes data into the display unit injection…

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Q: (a) Initial Buret Reading (b) Final Buret Reading Trial 1 Trial 2 Trial 3

A: For reading the buret value our eye must be at the level with bottom meniscus of the liquid. Reading…

Q: the efficiency of a chromatographic column improves the measure that a.increases the height of the…

A: We know that, In chromatography, column efficiency is measured in terms of number of theoretical…

Q: Column A Cesponse Unretained peaks Compound Y Compound X Time (min) 8 min. Compound Y Column B…

A: We can decide the effectiveness of resolution in column chromatography based on the nature of the…

Q: m doing lab report for thin layer chromatography right now, but I'm struggling with a question about…

A: TLC is used in organic synthesis to know whether the reaction is completed or not . And the no of…

Q: Diagram of Paper Chromatogram: Marker Dyes Draw all spots that appear on the chromatogram, and mark…

A: First observe the solvent front. It could be nearly 11 cm as per your picture of paper and ruler.…

Q: Write three main methods which are included in this process.

A: Chemical reaction is a process in which two or more reactants combine to give a product.

Q: False A volumetric pipet should 'not be "blown out" to eject all liquid at the tip. Volumetric…

A: A volumetric pipet should not be "blown out" to eject all liquid at the tip. Volumetric pipets are…

Q: Based on the performance and validation methods, e

A: You have mentioned to solve the first, second and third part of my question, so I have solved this…

Q: Could you please write me a brief summary about the results that I have and it's about the…

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Q: Which of the following could result in a loss in yield in a mixed solvent recrystallization? i. Use…

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Q: The following conditions may not cause tailing EXCEPT a. Thick filter paper as the stationary phase…

A: Tailing in thin layer chromatography :  Due to the using high concentration of solute or other…

Q: Which of the following describes a gradient elution process? O stationary phase has varying…

A: We have to describe a gradient elution process.  We know that in a gradient elution process, the…

Q: Trial final burette reading (mL) initial burette reading (mL) volume of NaOH(aq) added (mL) colour…

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Q: Prepare a procedural flow chart that provides a simplified overview of the entire extraction…

A: The procedural flow chat of extraction process is explained in step 2.

Q: How do you weigh hydgroscopic samples?

A: Hydgroscopic samples contain moisture. Therefore it is measured in digital analytical balance.

Q: An aqueous of 2.0dm3 contains 53.0g Na2CO3 Calculate in a) gdm-3 b) moldm-3

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Q: Distance Traveled Rf value Active Ingredient Analgesic Drug Distance Traveled by Spot (mm) by…

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Q: observation and inference hexane is subjected into lucas test and Metallic sodium test

A: Sodium Metal Test: Drop a piece of sodium metal in the liquid to be tested (before adding sodium…