Why is it necessary to completely fill the rubber tubing of the stopcock with the  solution before titration

Q: During the titration of sodium carbonate with sulphuric acid why are two indicators used and what is…

A: The above titration is the titration of a weak base against a strong acid. In such cases, the acid…

Q: The sample is dissolved in a mixture containing 10ml of distilled water and 20 ml of dilute…

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Q: In the experiment "Preparation and Standardization of a Sodium Hydroxide Solution", why was the…

A: Titration is the technique in which the concentration of an unknown substance. The concentration of…

Q: a) Label the titration set up used in this lab experiment. Buret containing Stopcock and indicator…

A: Labelled the name serially as mentioned in the figure.

Q: When do we need to perform a double-indicator titration procedure?

A:

Q: Experement: The Determination of Acid Number for Various Food Oils using Visual Indicator Titration…

A: Grub test is statistical Method. This test is used to detect outliers in a univariate data set come…

Q: Why is the use of high-precision volumetric material essential for titration?

A: Volumetric analysis is a technique used to determine the unknown concentration of a reactant with…

Q: Why is it important to do multiple trials of a titration, instead of only one trial?

A: Answer

Q: purpose of a dropwise rate

A: The purpose of titration to determine the concentration of unknown acid or base.

Q: calculate the number of moles of sodium thiosulphate (vi) needed to react with iodine liberated…

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Q: Why is titrant added rapidly at the beginning of titration but more slowly as titration proceeds?

A: At the beginning, the amount of analyte present in the solution will be high. Hence whatever amount…

Q: What happens when a zwitterion is titrated with an acid?

A: A zwitterion of an amino acid looks like as shown below.

Q: When hydrochloric acid was added to the solution, lots of white precipitate formed then settled at…

A: When we add NaCl in the solvent. It forms a solution where NaCl dissociate into Na+ and Cl- and…

Q: source of experimental error.  a. A student obtains three Erlenmeyer flasks, and he washes and…

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Q: 11. Which is a highly purified compound that serves as a reference material in titration? A.…

A: Please find your solution below : Primary standard is a highly purified compound that serves as a…

Q: How would the titration curves differ if the volume of the acid used was halved?

A: Answer - Titration curve - A titration curve is a graph that shows both the volume of a chemical and…

Q: Titration Titrant Reductant/ Oxidant Analyte Standardizing Indicator Reagent COD BOD INDIRECT…

A: Given:- Titration Titrant Reductant/ Oxidant Analyte Standardizing Indicator Reagent COD BOD…

Q: Why must we standardize the NaOH titrant in order to use it to analyze the unknown acid?

A: In volumetric analysis, some chemicals are frequently used in defined concentrations as reference…

Q: Could phenolphthalein be used as an indicator in the Kjeldahl titration?

A:

Q: Which of the following sample can be subjected to acidity analysis and titrated against basic…

A: The sample which is acidic in nature would be subjected for acid analysis and can be titrated…

Q: Would you recommend adding the phenolphthalein and methyl orange indicators together at the start of…

A: In titration the equivalence point is known with the help of indicator which changes its color at…

Q: Describe what is done in a displacement titration and give an example.

A: In displacement titration a complex is formed as analyte displaces a reagent, and amount of…

Q: After preparing 500 mL of 0.1019 M NaOH solution, the cap is left open and it absorbs 0.652 g  CO2.…

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Q: he indicator for Mohr Method titration

A: ANSWER

Q: (3). Write short notes on displacement titration with suitable example.

A: Displacement titration also known as replacement titration is defined as the replacing of anion of…

Q: Suppose there was a large air bubble in the tip of the acid burette during the titration and it was…

A: Volumetric titrations are used to determine the concentrations of an unknown solution. It involves…

Q: Ideally the pink color at the end point of any titration should be pale pink.  But if they are all…

A: In an acid-base titration, at the equivalence point, acid is totally neutralized by the base and at…

Q: Both answers 1 and 2 are correct

A: Answer: Both answers 1 and 2 are correct

Q: If water was used to rinse the conical flask used for the titration, how would this affect your…

A: Titration is a quantitative chemical analysis that is used to determine the concentration of an…

Q: Define the term. Titration Error:

A: Titration error can be defined as the significant difference between the equivalence point and the…

Q: How would the calculated molar concentration of the analyte be affected if the burette is rinsed…

A: In laboratory while we use burette for titration,we should always rinse it with water at first and…

Q: In the determination of Mass% NaOCI in Bleach Sample (Titration), does addition of water to the…

A: During the mass % determination of NaOCl in bleach sample, first NaOCl is converted to HOCl in…

Q: Define Analyte and Titrant.

A: •ANALYTE:- Analyte is a solution that's concentration is determined by analysis. •So simply analyte…

Q: Discuss how the pH of the solution in the Erlenmeyer flask changes as the titration is carried out.…

A: Titration is one of the most important quantitative analysis used in various laboratory experiments.

Q: How do I determine the concentration of hydrochloric acid through acid-base titration? I mean what…

A: The acid-base titration can be performed using NaOH. The indicator used is phenolphthalein.

Q: In which cases are the wet Electorstatic Precipitators used?

A: In which cases are the wet Electrostatic Precipitators used?

Q: What is the end point of colorimetry titration?

A: For determination of unknown quantity of a substance color observation is use in both cases of…

Q: What is the graduated glass tube used to add the titrant (base) to the analyte (acid)?

A: 1) To identify the graduated glass tube which is used to add the titrant (base) to the analyte…

Q: What is the result and discussion for experiment determination of Hardness of water EDTA titration

A: Hardness of water is mainly due to dissolved salts of calcium and magnesium, which makes it unfit…

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: Aside from repeating the experiment, what can be done to remedy a sample that is ‘over-titrated’.

A: remedy a sample that is ‘over-titrated   1 - Over-titration is a state where there is more analyte…

Q: In acid-base titration, what is the purpose of drying the primary standard prior to usage? Explain…

A: Acid base titration is the analysis of the amaount of analyte where one component is taken as…

Q: When one would like to run an experiment with EDTA, sometimes it is necessary to do back titration.…

A: Sometimes when performing EDTA titration the metal ions block the indicator or metal  EDTA complex…

Q: Which of the following sample can be subjected to acidity analysis and titrated against basic…

A: Using titration we can analyze the given sample's concentration. Here in acid-base titration the…

Q: Ethanol is needed as solvent when preparing phenolphthalein color indicator in volumetric…

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Q: Before you proceed with the titration proper, you must first determine the exact concentration of…

A: 3. Answer - The correct option is - (C) - standardization  Explanation - According to the question -…

Q: Analytic chemistry. How to test the Na+ in the original solution? and NH4+?

A: In order to analyse the given unknown salt, generally sodium and ammonium salts are used as…

Q: Use water to rinse the sides of the Erlenmeyer flask containing the analyte. It will dilute the…

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Q: What is the acid/base ratio is important in the titrimetric process?

A: Titration  It is the process of chemical analysis in which  a known concentration of acid or base is…