a.) What is the linear equation for the calibration plot? b.) What is the amount of sulfate in the water sample?

Q: In thin layer chromatography the initial spot is placed: A. on a pencil line B. four centimeters…

A: Thin layer chromatography is a type of chromatography.

Q: Why is it important that the chemical used as the primary standard is non- hygroscopic and pure? Why…

A: Given statements,  It is important that the chemical used as the primary standard is non-…

Q: What would the precipitate weigh if all of the sulfate was present as BaSO,? What will the…

A: The given question will be solved in 3 parts Part a Barium sulphate is precipitated by using barium…

Q: 2 is corrosive, so purging with N2. which is inert, helps to reduce reactivity within the…

A: Infrared spectroscopy is being used to identify the organic compounds by recognizing the functional…

Q: Is the paper chromatography used normal or reverse?. Explain why

A: With the help of this chromatography, we can separate colored compound or substances.

Q: How does it affect the peak produced in gas chromatography when: – Inserting samples is too slow –…

A: ✓Chromatography is a technique that separates components in a mixture by the difference in…

Q: Which solution is of known concentration that is used to react completely with an analyte?…

A:

Q: Which is the correct order of elution of a gas chromatography that has a polar column that contains…

A: The sample, which may be a gas or a liquid, is injected into a gaseous mobile phase during gas…

Q: During heating, some solution of NaCl splattered out of the evaporating dish. How would this affect…

A: Given: During heating, some solution of NaCl splattered out of the evaporating dish.

Q: 3. What is the name of the indicator used in the Vinegar analysis experiment? 4. Why is it important…

A: The indicator is a chemical substance which indicates the end point. and percent error represent the…

Q: In chromatography, if the temperature of oven increases, what will be its effect on retention time…

A: Chromatography It is the separation and purification technique used in which a stationary phase and…

Q: Explain how the charged aerosol detector used

A: Charged aerosol detector: The detector, which is used to detect (measure) the amount of charged…

Q: The overarching principle of paper chromatography is separation by A polarity B density titration…

A: The principle of paper chromatography is partition and this partition is occur due to two difference…

Q: What do you mean by extinction coefficient?

A: Scientist J.H. Lambert proposed Lambert law which expresses that absorbance of light by a sample is…

Q: spotting paper chromatography samples above the solvent level ______________________________________…

A:

Q: If you did not completely dry the Erlenmeyer flask before weighing the result, how would that affect…

A: Given : You did not completely dry the Erlenmeyer flask before weighing the result.

Q: Match the set-up with the appropriate separation technique. : filtration * distillation

A: In the given question, the experimental setups of two separation techniques are provided and they…

Q: What is a reagent blank? Why should we include this in making our calibration curve?

A: A reagent blank refers to a small positive error in test results that comes from the reagents…

Q: Why should you know the composition of the weighing form? a. So that it can be washed properly b.…

A: Composition of the compound tells about the mass .

Q: In thin-layer chromatography, what will be the result if the solvent level is higher than the sample…

A: A multiple choice question based on thin layer chromatography, which is to be accomplished.

Q: At what stage was the internal standard added to the prepartions, in the protocol of this…

A: Step : 1             The required answer for the above question is follows as :

Q: Draw an HPLC instrument diagram by writing the name of the parts. Define the isocratic and gradient…

A: The analytical method that deals with the separation of the components based on the difference in…

Q: This is the graph for gel filtration chromatography. Can you please explain why the graph has the…

A: Gel filtration chromatography is a variant of size exclusion chromatography that can be employed to…

Q: Investigate the linear calibration range of this experiment.

A: Lead Concentration, ng ml-1 Absorbance 10 0.05 25 0.17 50 0.32 100 0.6 200 1.07…

Q: A neutral compound has a partition coefficient of 7 between ether and water. What percentage of the…

A: Partition coefficient (K) = Kether/ Kwater = 7 Let initial amount f substance = W gram After…

Q: lassify the statements based on whether they describe the method of standard addition, the method of…

A:

Q: Why were you required to handle the chromatographic paper only at its corners?

A: Chromatographic papers used in Paper Chromatography which is used as a separation technique for the…

Q: An orange compound was added to the top of a chromatography column. Solvent was added immediately,…

A: An orange compound was added to the top of a chromatography column. The solvent was added…

Q: Why should the syringe be removed from the sensor when setting the initial volume for each trial?

A: Option C

Q: Preparing a Thin Layer Chromatography experiment there are some common mistakes. Explain what…

A: Interpretation- To tell about all the common mistakes when we prepare a thin layer chromatography…

Q: In what situation will the Standard-Addition method be an appropriate calibration approach?

A:

Q: A yellow compound, dissolved in methylene chloride, is added to a chromatography column. The elution…

A: Chromatography is a laboratory method for the isolation of a mixture. In a fluid called the mobile…

Q: What procedures should be done to guarantee that the calibration curve is accurate?

A:

Q: How can TLC be used to determine if a sample is pure?

A: Thin Layer Chromatography (TLC) is a separation procedure that requires a very small sample. It is…

Q: Why do we use a salt bridge during calomel measurement

A:

Q: How is the volume of analyte measured and transferred into the conical (Erlenmeyer) flask?

A: Conical or Erlenmeyer flask are containers that are made of glass and have a shape that resembles a…

Q: a. If the mixture is dabbed onto chromatography paper that was then placed into a polar solvent,…

A: Greater the electronegativity difference between the atoms, greater is the polarity.

Q: why is it important to apply the percent volume and percent retrieval in separation of mixtures…

A:

Q: 5. In the diagram on the right, the peaks taken from the detector for X and Y compounds are shown by…

A: Spectroscopy is an analytical technique which is used o find the concentration, properties of the…

Q: When using a calibration curve and beers law if one of your a diluted test solutions had an…

A: Beer- Lamberts law gives a linear relationship between concentration of the sample and its…

Q: The gravimetric analysis of nickel in copper and iron, what is the purpose of "dipping" the…

A:

Q: gas chromatography

A: Solution: Gas chromatography ( generally abrivated as GC) is an analytical technique used to…

Q: 1. Why is a calibration curve necessary for this analytical technique? 4

A: Answer

Q: What is the goal of cations analysis in ion chromatography?  -what is the goal of Anions analysis…

A:

Q: why was ice bath and room tempertature used instead of hot bath?

A:

Q: Write exhaustively on paper chromatography

A: Chromatography is a special technique which is used to seprate the components of a mixture.

Q: Comments on choice of a paper and solvent are main back bones of paper chromatography.

A: Paper Chromatography is mailny based on the choice of paper and solvent used. In this technique,…