What are the applications of re-crystallization in gravimetric analysis? answer at your own words and answer should be to the point, not any irrelevant words

Q: Write a chemical equation and a solubility product expression for the dissolution of dolomite in…

A: The chemical equation and a solubility product for the dissolution of dolomite in water it is to be…

Q: When methanol is dissolved n water a conducting solution results. Justify your answer.

A: Ionic substances dissolve in water and conduct electricity due to freedom of motion of ions.

Q: Why alternating current is used for conductometric measurements? What will happen if large…

A: (f)  When DC current is used, it cause the polarization of electrodes and electrolyte which leads…

Q: The chloride in the sample is to be determined gravimetrically by precipitating and weighing AgCl.…

A:

Q: A 350.00 mL solution of 0.00265 M A3B4 is added to a 280.00 mL solution of 0.00205 M C3D2. What is…

A: Calculation of no. of mol of A3B4: No. of mol=Molarity×Volume=0.00265 mol/L×350.00×10-3…

Q: True or False: Blank titration is indicated for the determination of the concentration of a sample.…

A: A blank titration gives an idea of how much titrant is needed to the titration with sample. The…

Q: What are the advantages and disadvantages of volumetric and gravimetric analysis

A: Gravimetric analysis is a very accurate quantitative analysis .Advantages of gravimetric analysis…

Q: How can the relative supersaturation be varied during precipitate formation?

A: RELATIVE SUPERSATURATION IS A TERM THAT INCLUDES FACTORS UPON WHICH PARTICLE SIZE OF PRECIPITATE…

Q: A solution in part C initially contains (4.2100x10^-4) molar SCN¯ and (3.1700x10^-3) molar Fe3+.…

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Q: A solid that reappears from the solution is called sublimate O residue immiscible O crystal

A: Sublimate is the solid which has been sublimed. It means solid substance changed to vapour state.…

Q: Precipitate in gravimetric assay of iron (III) is: Fe(OH); Fe,O3 Fe2(SO4)3 Fe(SCN)3

A: Precipitate in gravimetric assay is used to separate ions from solution by using a precipitation…

Q: In complexometric titration ‘the reaction with analyte should be rapid and complete’ give reason…

A: Complexometric titrations are those titrations in which chelates or soluble complexes, usually…

Q: The interaction between a basic analyte and the residual silanol groups of the stationary phase is…

A: When pH of mobile phase is equal to pKa of silanol then its proton will get deprotonated and basic…

Q: 1. Which among these is/are desirable properties for the type of precipitate required in gravimetric…

A: Gravimetric analysis is used to determine the mass or concentration of a substance by measuring a…

Q: What is NOT recommended for precipitation of crystal deposits: precipitation in presence of…

A: The correct option is option c.

Q: A 100mLSolution containing 0.145g of NiCl2 was supplied in the lab. Students were advised to use 5mL…

A: The density of solution = 1g/mL Mass of precipitate = 0.0291 g and 0.0353 g  A 100mLSolution…

Q: Describe the following as used in analytical chemistry  a) semiqualitative analysis  b)Assay c)…

A: The given terms in analytical chemistry has to be defined.

Q: In your own words, describe the following terms as used in analytical chemistry.  a)…

A: a) semiqualitative analysis Answer -  Qualitative analysis is the detection or identification of the…

Q: Q2):- A. Define the "gravimetric methods" and list the important steps required to obtain on the…

A: Gravimetric methods are used to measure the amount of the ions to be analysed through the…

Q: Leaching is extraction of solution from solid solvent. A. True B. False

A: in my opinion its true i guess

Q: Summary of Level of Saturation in chemistry solutions

A: The substances which is present in lesser amount is termed as solute. On the other hand, substances…

Q: b) In this experiment potassium hydrogen phthalate solution is used as a secondary standard solution…

A: Primary  and secondary standard are used for titration  purpose only .

Q: One of the following statements is incorrect: O Titration error is the difference between…

A: Out of the given statements , one statement is wrong . We have to select that incorrect statement.

Q: The test tube used in the determination of the ΔHrxn for nitric acid was still wet with water. […

A:

Q: Explain the feature of homogeneous products I need only two features !

A: Homogeneous products are the products which consists of particles having same size, quality, color,…

Q: Does that mean that  Average molarity of EDTA standard solution =  Average molarity of EDTA? Will…

A: Recall the given reaction,                      Ca2+ aq  +  EDTA4- aq  →CaEDTA2- aqWe have to…

Q: Question 27 of 40 Submit Construct the expression for Ksp for solid Ba3(PO4)2 in aqueous solution.…

A: In this question, we want to express Ksp formula. How we can express you can see details explanation…

Q: To prevent inclusion from occurring during precipitation, the technique to follow is I. fiter…

A:

Q: Calculate the molar concentration of the different colour solutions using the data table. (Available…

A: The experiment is based on the process of osmosis.

Q: In the analysis of ammonium ferrous sulphate sample for the content of Fe use was made of a weighed…

A:

Q: A 320.00 mL solution of 0.00290 M AB2 is added to a 260.00 mL solution of 0.00235 M C3D2. What is…

A: Assuming the salts AB2 and C3D2 are soluble in water completely as no information is given about…

Q: For a species that is distributed between an aqueous sample and an organic extraction phase, the…

A:

Q: Determine the mean value of the solubility product for calcium iodate and the average deviation for…

A: The question is based on the concept of analytical chemistry. we have been given three trials of…

Q: What is the practical application of gravimetric method of analysis

A: Gravimetric analysis is the quantitative analysis of an analyte. The composition of the materials…

Q: Write a discussion on the topic of gravimetric analysis

A: The gravimetric analysis is used in analytical chemistry.

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: A protein of molecular weight = 55,000 g/mol and at 1 mg/mL concentration was titrated with Ellman’s…

A:

Q: The purpose of digestion process in gravimetric analysis is to: 1. 0 decrease the particle size of…

A: Answer :- 4) coagulate the precipitate

Q: Data Report Sheet: Spectrophotometric Determination of an Equilibrium Constant.

A: Equation obtained from the calibration curve is y = 4339.8x + 0.0258 where y = Absorbnace x =…

Q: It is found that up to 0.0110 g of SrF2 dissolves in 100 mL of aqueous solution at a certain…

A: Mass of SrF2 = 0.011 gMolar mass of SrF2 = 125.62 g/moleNo of moles of SrF2 = Mass of SrF2Molar mass…

Q: True or False  Very Insoluble precipitates are not the best candidates for gravimetric analysis.

A: In order for the analysis to be accurate, The ion being analyzed must be completely precipitated.…

Q: Calculate the value of Q if mixture contains 0.21 M SO,, 0.19 M 02, and 0.42 M SO,

A: The reaction is: 2SO2 + O2 -----> 2SO3 [SO3]= 0.42 M [SO2] = 0.21 M [O2] = 0.19 M

Q: Can a conventional pH meter with conventional buffer solutions measure the pH of the mobile phase…

A: Hydrophilic interaction liquid chromatography (HILIC) is a chromatographic technique used for the…

Q: Why internal standard solutions are better  and why we get a more uncertain result with other…

A: Internal standard: It is the chemical substance that is used in the analysis of compounds and this…

Q: To separate three organic compounds from an aqueous solution, one basic, one acidic and one neutral…

A: The separation can be done using the extraction technique based on the polarity of compounds. The…

Q: The following plot was obtained from the supernatant of a sol after it had been pH adjusted with…

A: Given spectra:

Q: What does the selectivity coefficient tell us? Is it better to have a large or a small selectivity…

A: The selectivity coefficient  is the equilibrium constant for a chemical reaction in which one ligand…

Q: Discuss three practical applications of solvent extraction in analytical chemistry

A: A question based on separation process that is to be accomplished.

Q: Q2: Fill the blanks with suitable answers 1: Calculate the expression of analytical compounds for…

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

Q: 1.Determine the color of the indicator in a given condition: METHYL ORANGE IN AN ACIDIC ENVIRONMENT.…

A: GENERAL CONCEPTS OF CHEMISTRY: