1. In using the centrifuge machine, how will this be remedied if there are only 3 separate liquid mixtures, in order to separate their respective precipitates

Q: Discuss the importance of the major steps in the aspirin synthesis, melting point determination, and…

A: Interpretation: Aspirin is a painkiller which can be synthesized when salicylic acid reacted with…

Q: Discuss the 3 ways you could determine the completion of a coulometric titration

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Q: 7. Calculate [Fe³*] in the solution prepared in step 12 of the procedure.

A: Since you have posted multiple questions as per guidelines we can solve only one per session . If…

Q: Explain the stepwise production of titratable I2 from dissolved O2 in the sample.

A:

Q: Explain in detail the working principle of the selective catalytic reduction (SCR) system for marine…

A: Interpretation-  To explain the working principle of the selective catalytic reduction (SCR ) system…

Q: Why must solid remain in constant contact with a solution of sparingly soluble salt in order to…

A: The equilibrium is a phenomenon of reversible reaction. Any reaction's equilibrium constant (K) is…

Q: 8) What are the roles of MnSO4 and NaN3 in the Dissolved Oxygen determination experiment?

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Q: Explain the conditions that cause the reduction of metal hydrates occurring in the Fehling…

A: Fehling test: It is the chemical reagent that performs the function of distinguishing reducing and…

Q: Explain the stepwise production of titratable I2 from dissolved O2 in the sample.

A: Answer -  Winkler Method -  Winker method is a technique used to measure dissolved oxygen in…

Q: How was the precipitate obtained after filtration?   By scraping from the filter paper and…

A: Filtration is used to separate an insoluble solid from a pure liquid or a solution

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: Describe how it looked when the ferrocene and acetylferrocene eluted from the column. (Did you see…

A: Ferrocene and acetylferrocene can be separated using column chromatography.

Q: The method of zone refining of metals is based on the principle of :- (1) Greater mobility of the…

A: Zone refining: It is the technique that is used in the purification of crystalline substances to get…

Q: 100.0-mL sample of a saturated PbSO4 solution was evaporated until dry. If 24 mg of solid PbSO4 was…

A: Given, Volume of slution =100 mL Mass of PbSO4 = 24mg = 24 ×10-3 g Molar mass of PbSO4 = 303.26…

Q: During recrystallization, an orange solution of a compound in hot alcohol was treated with activated…

A: Recrystallization is the process of remove impurities. In this method separation of pure component…

Q: Calculate the solubility for N-Phenylsuccinimide at 152 to 154 melting point with 1 g?

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Q: Explain the principles behind the colorimetric methods used in each electrolyte

A: Colorimeter are used to detect color and determine solution concentration.

Q: Write the cell notation of the potentiometric set-up with SCE as the reference electrode.   b)…

A: a) Anode II Cathode AgIAg+ IIHg2 cl2 IHg. cl-Anode 2Ag→2Ag+ +2e-CathodeHg2 cl2 +2e- →Hg+2cl- Solving…

Q: In the Standardization of Sodium Thiosulfate (Redox Titration), why is it necessary to remove the…

A: answer- In this titration, the roles are reversed. Starch is now used as an indicator for the…

Q: Which of the following steps would affect both yield and purity during the  extraction of ovalbumin?…

A: a) Washing the precipitate with ethanol before storage. is the correct option.

Q: monodispersed

A: Reducing agent are those reagent m, which giving electrons to ions ( Cation like Ag(+) or Au(+) ion…

Q: If PbCl2 was not completely removed by hot water from the first group precipitate, what will become…

A: A question based on qualitative analysis of cation that is to be accomplished.

Q: what are the methods to know in the gravimetric analysis technique

A: A question based on general chemistry that is to be accomplished.

Q: If Magnesium hydroxide is a white gelatinous precipitate, why is the confirmatory result indicated a…

A: Confirmatory Test of Mg2+ 1. For the test of Mg2+ , In a sample of Mg2+ solution, 2 drops of…

Q: Explain why strong oxidizing agents interfere with this analysis and why an excess of

A: Oxidizing agents causes oxidation by getting reduced itself. Oxidation is the process of loss of…

Q: Why is hydrochloric acid added to the precipitated copper metal near the end of the procedure?

A: Step 1) Copper is an element which is chemically combined with the variety of compounds in nature.…

Q: Plumber's solder is composed of 67% lead and 33% tin by weight. Describe what happens to this…

A: Plumber's solder is composed of 67% lead and 33% tin by weight.

Q: 6. The solubilities of the sulfate and chromate of Barium in this reagent is used to distinguish the…

A:

Q: Explain how the Dean-Stark trap removes water from the reaction mixture.

A: Dean-Stark apparatus is a laboratory piece that is used to collect water or other liquids from the…

Q: Calculate the equilibrium concentration of N2O4 in 1.00 L of a solution prepared from 0.129 mol of…

A: The Equilibrium constant is defined as the ratio of the molar concentrations of the products and…

Q: Refering to the image attached (Winkler method), what is the function of sodium thiosulphate and why…

A: Wrinkler method is basically used to determine the amount of dissolved oxygen in water sample…

Q: 15. Discuss the effects of the pH and of the reagent concentration on the solvent extraction of…

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

Q: Why a filter paper cannot be utilized for the removal of potassium permaganate precipitate?

A: Filter paper can be defined as a semi-permeable paper that helps us to separate fine solid particles…

Q: Caustic potash that has been exposed to air is found on analysis to contain 90.00% KOH, 2.38% K2CO3…

A:

Q: 1.000-g sample containing  bromide was dissolved in sufficient water to give 100.0 mL.  A 50.00 mL…

A: Since you have posted multipart of question as per the guidelines i have solved one three subpart…

Q: How does the doubly labeled water method depend on the existence of isotopic equilibrium between the…

A: doubly labeled water method depend on the existence of isotopic equilibrium between the oxygen in…

Q: A 1.000-g sample containing  bromide was dissolved in sufficient water to give 100.0 mL.  A 50.00 mL…

A: The answer is attached below-:

Q: Include relevant qualitative test(s) in your explanation in the separation of benzoic acid from NaCl…

A: Benzoic acid is an organic acid and NaCl is a salt.Firstly, a qualitative test could be done based…

Q: 1) Metal complexes may be identified by change in color of the metal ion and the formation of a…

A: Q.1:  Metal complexes have free electron(s) in the central metal ion that undergo transition to give…

Q: The substance to be analyzed – is white, highly soluble in water salt. When interacting with…

A:

Q: (c) Define self-assembly in supramolecular chemistry. Explain the metal-directed self-assembly…

A: According to guidelines I will answer only one of those questions!!

Q: Why is there a need to immediately titrate the sample solution with the standard sodium thiosulfate…

A: Titration is a method of quantitative analysis in order to determine the concentration of an unknown…

Q: You are assigned an unknown solution that contains Group III cations. To -1 mL of this solution was…

A: In the above given cations Fe3+,Al3+ are group 3cations Zn2+ group 4 cation. The formation Of radish…

Q: The reaction of divalent manganese with oxygen in aqueous solutions is given as follows: Mn?* +…

A: Relationship between standard Gibbs energy changes for reaction- ∆G0=-RTlnK Where, R=Gas constant.…

Q: Why are most of the ash-content determinations performed using dull red heat?

A: Ash content implies incombustible components remains  after heating the sample in furnace. Generally…

Q: According to inorganic chemistry, write down all the isomers of [H-Co(CO)(PH3)(PF3)]- and…

A:

Q: Explain why calmagite and eriochrome black T would not work well as indicators for EDTA titrations…

A: A blue dye called Eriochrome Black T (ErioT) is used as the indicator. This blue dye also forms a…