Q: List the advantages and disadvantages of a potentiometric titration relative to a direct…
A: Advantages 1. It is useful for characterizing an acid. It is used in the titration of polyprotic…
Q: Water sample A has a turbidity reading of 555 NTU. If a 50 ppm standard has a turbidity reading of…
A: Given: NTU of sample = 555 Concentration of solution = 50ppm Turbidity reading found in solution =…
Q: 8. Which solution is of known concentration that is used to react completely with an analyte? D.…
A: Standard solution is used to react completely with an analyte.
Q: 1.Describe other melting point apparatus that are available for routine analysis. 2. Explain the…
A: Melting point apparatus that are available for routine analyis:-
Q: For which titration is phenolphthalein the best choice? Explain your reasoning and support with…
A: Titration is a technique in which a solution of known concentration is treated with a solution of…
Q: Explain how a Gravimetric Analysis is performed.
A: Gravimetric analysis is a class of lab techniques used to determine the mass or concentration of a…
Q: what is the difference between liquid phase extraction and solid phase extraction
A: A question based on analytical process that is to be accomplished.
Q: Part 2 - Titration of the DCM Layer Question 7 A student performed three DCM layer titrations in…
A:
Q: Give six differences between tituration and levigation
A: Six differences between trituration and levigation- 1) Triturate is the continual rubbing of a solid…
Q: Why do we know the aqueous layer is the upper layer during the wash steps?
A:
Q: What are the criteria for a successful determination in gravimetric analysis?
A: Gravimetric analysis is a technique through which the amount of an analyte (the ion being analyzed)…
Q: Why is it important to pre-treat the solid before leaching?
A: It is important to pre-treat the solid before leaching because of Agglomeration ( this stage…
Q: Describe why the inside wall of the flask is rinsed with deionized water during accurate titration.…
A: During accurate titration we need to rinse the inside wall of the flask with de-ionized water…
Q: What is the rationale of diluting the solution in the flask with washing distilled water at the…
A: Titration is done in neutralization reactions or redox reactions to determine the concentration of…
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: From the following data, find the % (w/w) cream of tartar (KHC4H406. MM=188): Wt of sample = 1.4160…
A: Tartar (KHC4H4O6; MM=188) is a mono protic acid.
Q: 1. What type of precipitate is BaSO4? 2. Why is a filter paper preferred over a sintered glass…
A: 1) Barium sulphate is a white color precipitate , it is ionic in nature . when barium chloride is…
Q: Why are two solvent in extraction immiscible?
A: Solvent - - > The solvent are those substance in which the solute is dissolved to form solution.…
Q: Why must be the primary standard be dried before use
A: A primary standard is a reference solution used to determine the unknown concentration of another…
Q: create a qulaitative analysis separations flow chart for the separation of Sb3+ and Cd2+
A: Qualitative analysis is a method to identify ions in a given mixture. It can be done by selective…
Q: What are the basic medium, acid medium, and zwitterion formulas of phenylalanine?
A: Phenyl alanine is an amino acid. Amino acid exist in three form depending upon the pH of solution.…
Q: create a qulaitative analysis separations flow chart for the separation of Zn2+, Al3+, Fe3+
A: The branch of chemistry which deals with the identification of elements or grouping of elements…
Q: Briefly describe how you would make 500 mls of a 1X electrophoresis running buffer from a 15X stock…
A: Given: concentration of stock solution = 15 X And the concentration of final solution = 1 X And the…
Q: Question attached
A: In a sample of water, there are many ions like calcium, magnesium and aluminium is present. Many of…
Q: bottle of Na2EDTA.2H2O is labeled with an assay of 100.5%, what is this implied? What is the result…
A: A substance’s purity is a measure used to identify whether it is pure or not. Generally pure…
Q: Why should deionized water he used throughout the analysis?
A: Metal ions are formed by loss of electrons from metal. Electrons are negatively charged particles…
Q: What sample size should be taken
A: Na2CO3+2HCl(excess) =H2CO3+2NaCl+HCl(remains) remain HCl+NaOH=NaCl+H2O
Q: The quantitative determination of pyridoxine hydrochloride can be carried out by methods: A.…
A: A multiple choice question based on coordination compounds that is to be accomplished.
Q: How many milliliters of 0.070 M EDTA are required to react with 25.0 mL of 0.0200 M Sr2+?
A:
Q: When is a PTFE buret used? _________________________________________________________ _…
A: PTFE: Polytetrafluoroethylene is a material from which stopcock is made and fitted into the glass…
Q: a.What is the purpose of calibrating the pH probe? b.Why must you rinse the pH probe with distilled…
A: Please find your solution below : a. The pH probe should be calibrated regularly. This will adjust…
Q: An analyte has an Rf value of 0.25. What does that indicate about the solubility of the analyte in…
A:
Q: Explain how it is that SPE cartridges & disks allow analysts to more efficiently pre- concentrate…
A: Interpretation- To explain that how SPE cartridges and disks allow analysts to more efficiently…
Q: What is a spectrophotometer used for in a cobalt chloride solution analysis
A:
Q: Why is it best to use a small amount of standard when performing mixed melting point analysis?
A:
Q: Is the standardization of titrant always the first step in all titrimetric analysis? Why or why not?
A: To find: If the standardization of titrant always the first step in all titrimetric analysis?
Q: What is the minimum number of changes of 500 mL dialysate required to reduce a 100 mL sample at 1M…
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: ATION
A: Now, Below are the methods mentioned evaluating the steps,
Q: How would the calculated molar concentration of the analyte be affected if the burette is rinsed…
A: Before starting any titration it is very important to rinsed the burette with the corresponding…
Q: If 0.18 mL was used in the blank titration to achieve the same end-point color in the previous…
A: Hard water is the water sample that contains Ca2+ and Mg2+. Such water cannot be used in washing…
Q: Explain the half drop titration technique
A: Titration is a laboratory method to determine the concentration of an unknown compound using the…
Q: Why should be solution of sodium bicarbonate be boiled during titration with HCI?
A:
Q: Is a Kd value of 10.16 reasonable for the extraction of benzoic Acid between methylene chloride and…
A: In a simple liquid–liquid extraction the solute partitions itself between two immiscible phases. One…
Q: 1. Basically, when is glass stoppered buret used? ______________________________…
A: Given, 1. Basically, when is glass stoppered buret used? ______________________________…
Q: What makes bromocresol green and phenolphthalein suitable for the double-indicator process?
A: An indicator is added to a solution based on whether it is acidic or basic and what pH is being…
Q: Why use basic buffer solution in an experiment for hard water analysis?
A: Buffer solution is solution which resist the change in pH of solution.
Q: OXIDATIVE-RESTORATION METHODS OF TITRIMETRY INCLUDE Choose one answer: a. complexonometry O b.…
A: Correct option is A.
Q: I'm working on a pre-lab report for chemistry regarding retention factors. The question asks what is…
A: Retention factors are related to chromatography experiment. Retention factor is the ratio of the…
Q: Determination of Water Hardness experiment was designed and suitable for bottled mineral water. What…
A: Principle: The determination of hardness is carried out by titrating water sample with Sodium salt…
Describe what is done in a displacement titration and give an example.
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