Which is not a drying agent? anhydride CaCl2 sodium bicarbonate sodium sulfate none • all

Q: Explain the methods of preparations of the Decorative paints

A: Paint consists of pigment (used to give color), solvents ( make it easier to apply),  resins (help…

Q: A chemist received different mixtures for analysis with the statement that they contained NaOH,…

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Q: An unknown sample containing mixed alkali (NAOH, NaHCO3, or NazCO3) was analyzed using the double…

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Q: 1] What type of precipitate is BaSO4? [2] Why is filter paper preferred over a sintered glass…

A: Given: [1] What type of precipitate is BaSO4?[2] Why is filter paper preferred over a sintered glass…

Q: X ray films consist of a flexible plastic base coated in a gel that contains light sensitive silver…

A: Given that silver cyanide (AgCN) is formed as a precipitate when X-ray films undergo cyanide bath.…

Q: You are given a solution that contains a mixture of the following cations: Ag+, Ba2+, Mn2+ and Cu2+.…

A: The Ag+ and Cu2+ ion belong to group 1st (group 1st reagent dil HCl) and group 2nd (H2S in the…

Q: An unknown sample containing mixed alkali (NaOH, NaHCO3, or Na,CO3) was analyzed using the double…

A: Answer - The correct option is - NaHCO3 and Na2CO3 Solution - pH - pH, historically denoting…

Q: You are given a 1 M MgSO4 solution and a 0.5 M EDTA solution. Calculate how to make a 250 mL…

A: MgSO4 = 6.25 ml EDTA = 0.50 ml  Water = 243.25 ml

Q: Absorbs sodium chloride in recrystallization a. hot h20 b. congo red c. animal charcoal

A: Recrystallization is used to purify solid compounds from a mixture of two or more solids.

Q: How many mg of Ag2SO4 dissolve in 0.3 M, 500 mL of Al2 (SO4) 3 solution? Compare this solubility…

A: The question is based on the concept of common ion effect. it states that degree of dissociation of…

Q: A 2.00 mL sample of commercial bleach was diluted with water to a 100.00 mL volumetric flask. A…

A: The ratio of mass of solute in 100 mL of solution is known as %w/v

Q: alculate the amount of manganese (54.94 g/mol) from a processed ore using the following data.

A: Solution: Blank titration part: Here we have 0.1012 g of manganese ore. Which is digested with…

Q: A mixture of solid chlorides was known to contain some or all of the following cations: Ag…

A: Out of the given possibility of chlorides of Ag+, Al3+, Cr3+, Ca2+ and Zn2+, only AgCl is not…

Q: mg Cefuroxime Sodium Powder for Injection with 6mL of sterile water for injection. The reconstituted…

A: Cefuroxime is an antibiotic and is a type of second generation cephalosporin and used for treatment…

Q: An sample of eggshell that weighs 1.0014g and is 51μm thick is titrated with disodium EDTA. A…

A: The major component of eggshells is calcium carbonate.  The analysis is done by reacting the calcium…

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: GUIDE QUESTIONS 1. What type of precipitate is BaSO4? 2. Why is a filter paper preferred over a…

A: As per our guidelines only three questions can be answered . Kindly post the remaining questions…

Q: Why does the glasswares need to be rinsed with 0.1 M HNO3 prior to use?

A: Analytical chemistry is branch of chemistry that refers  to technique for the detection,…

Q: Five white, 500-mg uncoated ascorbic acid (AA) tablets with an average weight of 0.6100-g were…

A: To calculate the amount of ascorbic acid present in a uncoated ascorbic acid tablet having an…

Q: What volume of 0.10 M H2C2O4 would be required to remove the rust stain weighing 1.0 grams?

A: Molarity can be defined as the number of moles of solute dissolved per liter of the solution It can…

Q: KOH, CH3CH₂OH reflux Ⓡ

A: The given reaction is .We have to give the product of the above reaction.

Q: An unknown sample containing mixed alkali (NaOH, NaHCO3, or Na2CO3) was analyzed using t double…

A: Answer - The correct option - is NaHCO3 and Na2CO3 Explanation - pH -  pH, historically denoting…

Q: Calculate the amount of manganese (54.94 g/mol) from a processed ore using the following data.…

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Q: Write the dispersed phase and dispersion medium of paints.

A: Colloidal solution contains two phase: dispersed phase and dispersion medium.

Q: A water sample was analyzed for Fe content using the iron- phenanthroline analysis: Reagent Blank…

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Q: In tablet formulation, what is the importance of using Avicel® PH grades as excipient?

A: Avicel is the trade name of microcrystalline cellulose used in tableting as a flow aid, compression…

Q: Distinguish absorption from adsorption. When you heat glassware in a drying oven, are you removing…

A: Absorption is a process by which a substance incorporated in one state is transferred into another…

Q: Which of these acts as a buffer in embalming fluids?     sodium lauryl sulfate     EDTA…

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Q: The concentration of gadolinium was measured in the discharge from a wastewater treatment plant near…

A: Given, Measurements of water discharge plant.

Q: Draw a schematic diagram using this information.

A: crystallization- It is the set of processes involved to obtain pure sample from a given crude/impure…

Q: Additives that may be included in the mobile phase for SEC hexane Salts Detergents Urea

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Q: An unknown sample containing mixed alkali (naoh, nahco3, or na2co3) was analyzed using the double…

A:

Q: An unknown sample containing mixed alkali (NaOH, NaHCO3, or NazCO3) was analyzed using the double…

A:

Q: Which are false? - purple solution of KMnO4 in burette may be cleaned using oxalate or peroxide -…

A: Of the given statements, the true statements are-All statements are true, purple solution of KMnO4…