Which of the following procedures leads to obtaining purer and larger crystallized particles?   slow cooling of the mixture   rapid cooling of the mixture   forming the precipitate at high pH   adding the precipitating reagents quickly

Q: The addition of an electrolyte to the wash water during washing facilitates continuous…

A: According to the Hardy schulze rule  greater is the valency of of oppositely charged ion of the…

Q: The volume of water needed to dissolve 0.0555 grams of lead bromide is ]L. Assume no volume change…

A: Given, The amount of lead bromide (PbBr2) = 0.0555 g. The molar mass of lead bromide (PbBr2) = 367…

Q: The substance to be analyzed – is white, highly soluble in water salt. Flame coloration test gives…

A: SrCl2 white color compound   SrCl2 soluble in water due to it's ionic nature.     On treatment with…

Q: The Cl- concentration in a brinë sample is analyzed by the Volhard method. For this purpose, 60 mL…

A:

Q: Explain the importance of performing blank titration in precipitation titrations.

A: A titration is a laboratory techniques in which a solution of known concentration is used to find…

Q: Calculate the volume of saturated Ammonium sulphate to be added to a 201ml of protein solution to…

A: Interpretation -  Calculate the volume of saturated ammonia sulfate to be added to a 201mL of…

Q: Rank the solubilities (from least to most soluble) of BaCO3, CdS, NICO3, AgCN, and SnS and explain…

A:

Q: please don't provide handwriting solutions....

A: The objective of this question is to calculate the pH at various points during the titration of a…

Q: In Hinsberg test, dissolution of precipitate is done using 10% KOH and not 10% HCl. Why? Explain in…

A: Hinsberg test: The chemical reactions which used in organic chemistry to distinguish between…

Q: What is the rationale of diluting the solution in the flask with washing distilled water at the…

A: Titration is done in neutralization reactions or redox reactions to determine the concentration of…

Q: 5. On a hot day, a 200.0-mL sample of a saturated solution of Pbl2 was allowed to evaporate until…

A:

Q: What is observed when equal volumes of 0.1M aqueous HCl and 0.01 M Na2SO3 are mixed? Group of answer…

A: The correct answer is -  Colorless solution, no precipitate, and gas evolution.

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

A: The correct option is option c.

Q: What was done to ensure that there are no more chloride ions present in the precipitate? (A)…

A: We have asked what was done to ensure that there are no more chloride ions present in the…

Q: When CaC2O4 is being precipitated, the following reduces the Von Weimarns ratio a. Dilute Ca(NO3)2…

A: In the precipitation process of CaC2O4, Von Weimarn proposed a relation between particle size of…

Q: A solution is generated by mixing zinc chloride and sodium hydroxide. The resultant concentrations…

A: Ionic product (KIP) expression for Zn(OH)2 is                         Zn(OH)2  -->  Zn+2   +  2…

Q: When excess solid SrCrO4 is shaken with water at 25°C, it is found that 6 x 10^-3 mol dissolves per…

A: For(a) Given, the solubility of SrCrO4 =6 x 10-3 mol/L we are asked to calculate the solubility…

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

A: There are several chemical tests are reported in literature for the determination of different metal…

Q: Give the formula of a compound which will give a precipitate with KI and K3PO4?

A: The question is based on the concept of solubility of precipitate. we have to identify which of the…

Q: Chemistry How could aqueous solutions formed from pure salts, the relationship between molarity and…

A: Molarity is the number of moles per litre of the solution. Mass concentration tells you about the…

Q: B: Similar to Part A, using 97 mL of an aqueous solution containing 7.22 g of the compound with a KD…

A: w = 7.22 g v = 97 ml portion = 41 KD = 5 n= 2

Q: A small von Weirman ratio is desirable, therefore it is advisable to form a precipitate by I.…

A: I only I) Stirring reagent  is right answer    (III) wrong BECAUSE The solution should be diluted to…

Q: The solubility product of CaS04 is 10-4 .5. What is the  solubility of Ca2 + at equilibrium with…

A: Solubility product of CaSO4 is 10-4  We have to find solubility of Ca2+

Q: Which of the following conditions would lead to an increase in the relative supersaturation of a…

A: In most cases as we increase the temperature solubility will also increase. As compared to room…

Q: Write an equation showing the dissolution reaction for each of the precipitates that was soluble in…

A: Precipitation is a type of double displacement reaction in which the aqueous solutions react to form…

Q: When is a crystalline precipitate more likely to form? High relative supersaturation…

A: Supersaturation is non equlibrium state on which solution contains more solute than normal…

Q: What do you call the number that summarizes the factors affecting the particle size of a precipitate…

A:

Q: White Precipitate Additional Excess NaOH NaOH Precipitate Unknown Salt No Visible Reaction NH3

A: In step 1 unknown salt react with sodium hydroxide & white precipitate form, after addition of…

Q: is white, highly soluble in water salt. Flame The substance to be analyzed coloration test gives…

A: Flame test is a qualitative test that indicates the cation present in salt.  Reaction with dilute…

Q: Match Cations and Colors of Precipitate: Colors:  Green Gel   Blue Gel   Brown Gel    White Gel…

A: The matching of the following is:

Q: Give the formula of the compound which will give a precipitate with BaCl2 but NOT with (NH4) 2CO3?

A: Here we have to identify the salt that gives a precipitate with BaCl2 but does not give a…

Q: Acetyl chloride gives white precipitate with AGNO3. The side product of acetyl chloride is acetic…

A:

Q: Give the formula of a compound which will give a precipitate with KI and K3PO4?  SOLUBILITY RULES…

A: (a) ZnCl2 + 2 KI --------> ZnI2 + 2 KCl  All salts of Cl-, Br-, I- are soluble in water (except…

Q: The volume of water needed to dissolve 0.0639 grams of calcium hydroxide is  L.

A: Given data,Mass of Ca(OH)2=0.0639g

Q: Give the formula or name of a reagent that you will use to precipitate Bi3+ but not Cu2+

A: KSP OF Bi3+ - sulfide compound i.e. Bi2S3 is in the order of 10-72 where as Ksp of Cu2+ sulfide…

Q: The volume of water needed to dissolve 0.0652 grams of barium sulfate is…

A: Amount of BaSO4 = 0.0652 g Ksp BaSO4  = 1.5 * 10-9 Volume of water needed = to be determined

Q: Vinegar contains 5.00% acetic acid by mass and has a density of 1.01 g/mL. What mass(in grams) of…

A: Given: Acetic acid = 5.00% by mass Density of vinegar  = 1.01 g/mL

Q: 16a. For any endothermic reaction, which of the following is true? JAS° 0 AAG° = 0 ]aH° > 0 AH° < 0…

A: 16a. Endothermic reactions are those reaction in which heat is absorbed from the surroundings. In an…