Co+2         Mn+2         Zn +2

Q: why is it necessary to test the ph?   PROCEDURE To a six inch test tube was added thiamine…

A: Please find your solution below : Benzoin condensation reaction is an example of addition reaction…

Q: What type of samples can be analyzed using AAS?

A: **Since you have asked multiple questions, we will solve the first one for you. If you want any…

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: Ka values ​​of HA and HB weak acids are 4x10-7 and 8x10-4, respectively. These acids are water and…

A:

Q: Why is there a need to correct conductivity of the sample solution

A:

Q: Give six differences between tituration and levigation

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Q: 4.Assay of acetic acid in vinegar is an example of proximate analysis 5.Example of variable defects…

A: In reference to the given 4th statement, Proximate analysis is the quantitative analysis of…

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A: Solution -

Q: If the unknown is vinegar (Note 1), pipet 25.00 mL into a 250 mL volumetric flask and dilute to the…

A: Given, Concentration of NaOH  = 0.1 M Volume of NaOH used   = 24.84 ml Volume of CH3COOH     = 50 mL…

Q: 1. Molarity of the NaOH solution 0.238 mol/L Trial 1 Trial 2 Trial 2. Volume of H;PO4 added to flask…

A: The given problem is titration of NaOH Vs H3PO4. Given Molarity Of NaOH=0.238mol/L

Q: How will mistakenly using solution 1 to calibrate the spectrophotometer, instead of the blank affect…

A: A solution of FeSCN2+ will be colored. So, the concentration of FeSCN2+ at the equilibrium is…

Q: Why is the flame test used for the qualitative determination of Potassium ion and Sodium ion?

A: Flame test is used to identify a cation visually by the colour of the flame. Every element has its…

Q: Apart from barium Sulfate preparation, Find any Preparation in the United States Pharmacopeia that…

A: Answer - According to the question - Given - Analyte- NaCl [Sodium chloride] [[ Analyte is a…

Q: You prepare a buffer solution from 10.0 mL of 0.100 M MOPS (3-morpholinopropane-1-sulfonic acid) and…

A: A buffer is a solution that can resist pH change upon the addition of an acid or base. It is able to…

Q: State and explain the principle on which the fully automated analyser operates.

A:

Q: 1. For each of Cu[Au(CN)2]:(H2O)2 and Zn[Au(CN)2]2 suggest two ways in which these compounds are…

A: The given complexes are Cu[Au(CN)2]2(H2O)2 Zn[Au(CN)2]2 To find: Two ways in which the given…

Q: FeCl3 and MgCl2 solution was prepared by dissolving FeCl3 (AR) and MgCl2 (AR) in distilled water.…

A: Hydrolysis is the process in which water reacts with a compound. The required compounds in this…

Q: A 250 cm volumetric flask contains exactly 200,0 cm3 of a 0,025 mol.dm sulphuric acid solution.…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: What conclusion can be derived from the following sentences regarding analytical methods: I.…

A: The correct statements are : II. Volumetric methods do not require calibration if a primary standard…

Q: Using the term u of KSP experimental procedure the 6 p.m. As you add 5 ml of .004M AgNo to 5ml of…

A:

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: Zinc uranyl acetate, Magnesium uranyl acetate and Cobalt uranyl acetate, forms insoluble salts with…

A:

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: 2. A sample of material contains for its active components NaOH, NazCO3, NaHCO3, or compatible…

A:

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: A sample of material contains for its active components NaOH, NażCO3, NaHCO3, or compatible mixtures…

A: Given: mass of sample = 1.00 g concentration of acid = 1.038 N Let us consider the acid used in the…

Q: All of the following will generate reproducible but not accurate results except a. The analytical…

A: A multiple choice question based on analytical process that is to be accomplished.

Q: What are the structures of threonine in each part of its titration curve? Give a clear handwritten…

A:

Q: What would your main concern be if you accidentally used wash buffer (10mM imidazole) instead of…

A: Answer is explained below.  We know that, for binding to the metal-charged resin Imidazole competes…

Q: 10 mL of an aqueous solution containing 1 mM Fe(NO3)2 was mixed with 20 ml. of another another…

A: Calculation of no. of moles of ''phen'' M = nVml×10000.3 = n20 ×1000n = 6 ×10-3 Calculation of no.…

Q: 2. If 6 g of phenol (weak acid, pKa 9.9) is distributed between 100 mL of an aqueous buffered…

A:

Q: 6. While the DVM students are busy eating their meal, Raphaela and Jessie are washing the…

A: Potassium permanganate reacts with a double bond and oxidizes it to form a diol. Chromic acid reacts…

Q: Which qualitative test does this 1 po process involve to? * „NO2 HNO3 H2SO4 Choices: • Millon's Test…

A: In millon's Test we will used HNO2 not used HNO3 ( nitrating agent ) it is test for tyrosine and…

Q: 1. “Using your 100 units/mL extract, prepare 20 mLs of extract at concentrations of 75, 50,and 25…

A: The volume (V) of 100 units/mL extract required to prepare 20 mL of concentration of 75 units/mL…

Q: Create a separations flowchart for qualitative analysis for the following Sb3+ Fe3+ Zn2+ Al3+…

A: Qualitative analysis of metal ions in a provided mixture is the determination of the identity of the…

Q: Complete the table. Reagent Function of reagent Color of acid fast cell 1. carbolfuchsin…

A: given data - 1.carbolfuchsin     2. acid alcohol     3. methylene blue solution…

Q: A 10.00cm3 portion of the 100.00cm3 HCl solut was taken from the volumetric flask and was titrated…

A:

Q: In order to analyse mercury with AAS, which method will you prefer? Explain this method in detail.

A: Cold Vapor Atomic Absorption Spectroscopy Mercury in waste water can be determined by Flameless…

Q: ATION

A: Now, Below are the methods mentioned evaluating the steps,

Q: why is it necessary to test the ph? EXTRME DETAIL PLEASE   PROCEDURE To a six inch test tube was…

A: Please find your solution below : Benzoin condensation is an addition reaction between two aldehydes…

Q: Suggest a method for the quantitative determination of calcium chloride in the Calcex preparation…

A: Complexometry can be defined as a chemical  technique used to indicate the end of a titration.

Q: In the Assay of Sodium Chloride, what is the purpose of adding nitric acid in the solution?  It is…

A: As per the guideline, since you have asked multiple questions, we have solved the first question for…

Q: For acid-base extractions: Explain what result would you expect if you accidentally extracted the…

A: The true order for the base/acid extraction given in this problem, 1st -NaHCO3, 2nd -NaOH, and 3rd…

Q: Inorganic Chemistry: Qualitative Analysis of Anions What is the importance or purpose of adding…

A:

Q: Calculate the concentration of stock tetraoxosulphate 6 acid which has mass density of 2.50 and has…

A: In the given question we have to calculate the stock concentration of Tetraoxosulphate(VI).

Q: What is the pH of a saturated solution of sodium carbonate? (Solubility in water is 21.6g/100ml at…

A: Given ,  Solution of sodium carbonate. Ka1=4.5×10-7Ka2=4.7×10-11 Solubility in water = 21.6 g/ 100…

Q: . Add 1.0 ml of 0.1 mol∙dm-3 NH3∙H2O in to a small test tube, then add 1 drop of phenolphthalein in…

A: NH3.H2O solution actually forms NH4OH.

Q: Which type of indicator is used in Fajans-Fisher-Khodakov method adsorption indicator; irreversible…

A: The correct option is given in the next step: