QUESTION 30 Peptization may be prevented by washing the coagulated precipitate with hot distilled water a solution of non-volatile electrolyte cold distilled water a solution of volatile electrolyte
Q: A 0.8250 g of soda ash sample was dissolved in distilled H O and diluted to 250-mL using a…
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Q: 33. The compound above would NOT be soluble in a. water b. hexane C. nonpolar solvents d. more than…
A: This is a part of solution chemistry which is explained below.
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Q: Calculate the volume of concentrated reagent required to prepare the diluted solutions indicated: a.…
A: This problem can be solved by using molarity equation according to which :…
Q: How to prepare 2 liters of 0.1 N H2SO4 solution? (H2SO4; MA = 98 g / mol; 96% and d = 1.84 kg / l)
A: Given data, Molar mass of H2SO4 is 98 g/mol. Density=1.84 kg/L and 96% by mass. For find out the…
Q: QUESTION 28 This is a process in which the precipitate is heated for an hour or more in the solution…
A: Formed precipitation heating is called as ?
Q: Question 14 An analyst wanted to separate an essential oil which is partially immiscible in water…
A: Please find your solution below : Distillation is a process in which liquid is converted into its…
Q: QUESTION 26 150 C12H22011 LICI 100 KCI 50 NaCl 50 75 100 Temperature (°C) For the above diagram, at…
A: The maximum amount of solute that can be dissolved in a particular amount of solvent is known as…
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A: Concentration of solution after dilution can be found by M1V1=M2V2 formula
Q: What does the process of recrystallization accomplish? 1) Place toxic chemicals into pure materials…
A: Recrystallization is the process of purification of organic compounds. Hence, the process of…
Q: Determine the volume of a 0.33-M C12H22O11 solution that can be diluted to prepare 25milliliter of a…
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Q: Correct statements about Group II (group 2) clements include 1. Magnesium carbonate is stable to…
A: Group II elements are alkaline earth metals.
Q: Draw an outline of the recrystallization process- Assume all types of Impurities(Soluble, Insoluble…
A: Recrystallization is defined as a technique which is used to purify the solid compounds.
Q: [ Select] SUPERSATURATED Question 25 SATURATED UNSATURATED An NaCl solution is SUPERSATURATED with…
A: Unsaturated Solution When there presents less amount of solute than the maximum amount of solute…
Q: How many mg of solute is contained in 26.0 mL of 0.250 M sucrose, C12H22O11 (342 g/mol)
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Q: volume
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Q: B. 500 ml of 0.1N FeSO4.(NH4)2SO4.6H2O Solution: 1. Pulverize about 20 grams of ferrous ammonium…
A: No of moles = Mass / Molar Mass Molarity = No of moles / Volume (L)
Q: Draw a structural formula for salt. Q.) Sodium salicylate
A: The structural formula for Sodium salicylate has to be drawn.
Q: Saturating the aqueous phase by adding a salt such :as Na2CO3 is called :Select one a. Drying agent…
A: b. Drying agent.
Q: The correct method of preparation of 1.00 L of a 2.0 M urea solution, dissolve 120 g of urea in…
A: Molarity is defined as moles of solute dissolved per liters of solution.
Q: 28. Calculate the mass percent concentration of 16.1g CaCl, mixed with 113.9mL water. (ImL=lg)
A: Topic-- Finding the mass percent concentration of CaCl2
Q: Question 10 A dissolved solute returns to its solid state. What is this process called? A deposition…
A: Solution 10) : Recrystallization is a purification technique for solid compounds. To perform…
Q: You are required to prepare 5 L of a solution containing 1.000 x 10 mol/L of Cu2"(aq). Which of the…
A: The molarity of a solution describes the number of moles of the solute present in one liter of…
Q: Question 48 How much distilled water must be added to a 25.00 mL 0.5104 M aqueous H2SO4 solution to…
A: In case of dilution of any acid or base, the number of moles will remain unchanged i.e, moles or…
Q: a-) Compound X is steam distilled at 92C under the pressure of 0.977 atm. Amount of water in…
A: a) Given, total pressure of system (X + water) =0.977 atm =742.52 mm Hg vapour pressure of water…
Q: How to prepare 2 liters of 0.1 M H2SO4 solution? (H2SO4; MA = 98 g / mol; 96% and d = 1.84 kg / l)
A: For preparation of sulphuric acid , we can calculate first Molarity using Following formula -…
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A: 1. Definition: Molarity is a concentration term for a solution. The molarity of a given solution is…
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A: Dissolution :- The process of conversion of solid solute (undissolved) into dissolved form is known…
Q: Cosmetics and paints can be manufactured by method called formulation industry a. Select one: O True…
A: 1. (a) A formulation is referred as the mixture that has been designed for an application purpose.…
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Q: Question 6 Which type of distillation is used for miscible liquids with large gap of vapor pressure?…
A: Distillation can be defined as the process of separation of components of a liquid mixture. There…
Q: 34. On descending Group I (group 1), there is a steady increase in A Molar volume B Boiling point C…
A: Group I element are the elements that are arranged in the vertical column at the left most end of…
Q: Determine the volume of dilute HNO3 (d= 1.11 g/mL and 19% pure) that can be prepared by diluting 50…
A: Interpretation - To determine the volume of dilute HNO3 (d= 1.11 g/mL and 19% pure) that can be…
Q: A 10 ml sample of water from the lake was brought to the laboratory for analysis. The amount of…
A: The concentration of amount of oxygen dissolved in water is one of the parameters that is used to…
Q: What is the Molarity of the solution prepared by diluting 35.0 mL of 1.25 M AgNO3 to 95.0 mL?
A: On diluting a solution, no of moles do not get change. As no of moles = Molarity ×Volume, thus…
Q: QUESTION 22 Predict which of the following compounds is soluble in octane, C,H, O CeH«Cl2 O H2SO4 O…
A: "Like dissolves like" is the thumb rule for dissolution of solute in solvent. This means ionic…
Q: QUESTION 7 WHEN DO WE USE SIMPLE DISTILLATION AND WHEN DO WE USE FRACTIONAL DISTILLATION?
A: Distillation is the process of purifying the liquid. In this process, the liquid is converted into…
Q: When excess solute is put into a liquid solvent, crystallization ceases when equilibrium is reached.…
A: Part a) We know that, when equilibrium is reached in the solution, then the dissolved solute starts…
Q: Calculate the molarity of 15.4 g of sucrose (C12H22011) in 74.0 mL of solution, [Molar mass of…
A: Hello, since your question has multiple parts, we will solve the first question for you. If you want…
Q: A silver nitrate solution contains 29.53 g of primary standard AgNO3, in 1.00 L what volume of this…
A: We have to calculate the volume of solution .
Q: Compound X is steam distilled at 92°C under the pressure of 0.977 atm. Amount of water in distillate…
A: The partial pressure exerted by the unknown compound X (Px) can be determined as follows: Px +…
Q: Question attached
A: Molarity of the solution is equal to the mass of solute present in one litre of solution. Write the…
Q: A saturated solution: will rapidly precipitate if a seed crystal is added. contains no double bonds.…
A: A saturated solution is a solution that contains as much solute as can dissolve in a given solvent…
Q: About 21.60 mL of 0.9944N sodium hydroxide solution required 20.40 mL of hydrochloric acid solution.…
A: Given information: 21.60 mL of 0.9944 N sodium hydroxide (NaOH) requires for 20.40 mL of…
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Q: D Question 24 Which compound will be the least soluble in water? B H. -C H-0- C-C -C -0-H D H- B.…
A: Compounds with heteroatoms like N and O have the propensity to form hydrogen bond with water…
Q: QUESTION 15 Peptization may be prevented by washing the coagulated precipitate wit cold distilled…
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Q: Select the compound that is most soluble in water. A NH₂ CEN C всі O + NH3 D NH₂
A: In this question, we will select the most soluble compound in the water. You can see the details…
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- https://www.youtube.com/watch?v=jDgSohKVLio What is the precipitate formed from the reaction of permanent hard water with sodium carbonate? Write the balanced chemical reaction involved.Determine the mass of potassium bromide necessary to precipitate all of the Cu^+ in 305 mL solution that is 1.6 M Cu ^+. The ksp of CuBr is 5.3*10^-9You dissolved .4892 g of potassium dichromate in 100.00ml of distilled water. Calculate the amount of unknown sample in grams needed to achieve about a 25.00 mL titration volume using the K2Cr2O7 solution made above if the %Fe of the unknown is approximately 7.10%
- A solution of sulfuric acid was made by dissolving 20.0g of 98% sulfuric acid in a 250mL of water. (H2SO4 = 98.078 g/mol; H2O = 18.015 g/mol)Additional information for 35-37 What if the solution has a total volume of 262ml? 1. Express the concentration of this solution in % by weight.a. 7.3%b. 4.4%c. 8.0%d. 7.8% 2. Express the concentration in molaritya. 0.10 Mb. 2.00 Mc. 0.76 Md. 0.93 M 3. Express the concentration in normalitya. 2.0 Nb. 1.5 Nc. 1.0 Nd. 0.76 N 4. Express the concentration in molalitya. 0.80 mb. 0.77 mc. 1.00 md. 1.50 mCalculate the volume of solution required to dissolve 65.1 g of C12H22O11(molar mass 342.34g/mol) to producers a solution with a molar it's of 1.12M30.0 g of K2Cr2O7 is completely dissolved in 50.0 g of hot H2O. This solution is then cooled to 20 °C. What mass of K2Cr2O7 would precipitate?Provide your answer rounded to 2 significant figures.
- Other information not on photo 2 gram potassium bitartrate are put into a 250ml flask. 150ml water is added. The solution is stirred and left to settle. the solution if filtered through a dry funnel into a 250ml breaker. 25ml of this solution was placed into 4 different flasks each. Approximately 11.5666667ml of NaOH was added to each flask. how would solubility product of of potassium bitartrate vary between distilled water solution and a solution with KNO3?Five drops of dichlorofluorescein have been added to a solution containing 0.800 g sample which required 25.30 mL of 0.100 M AgNO3. (c) Calculate the weight percent NaCl in the original sample.Solve the following problem: A dilute solution of an unknown weak acid required a titration with 28.62 mL of 0.1084 M NaOH to reach the phenolphthalein end point. The titled solution was then evaporated until it was completely dry. Find the equivalent mass of the acid if the mass of the sodium salt was 0.2110g.
- 5.00 mL sample of 0.1136 M of standard ascorbic solution required to 12.70 mL of KlO3 to reach the endpoint. The same KlO3 solution was then used to titrate 10.00 mL sample of a peach solution and it required 8.50 mL to reach the endpoint. Determine the: A.) Mass in Mg of I2 formed prior to the endpoint, and B.) Molarity of KlO3.A 0.3000 g sample of impure Na2CO3 requires 36.31 mL of a 0.1075 M HClO4 solution to reach the end point. Calculate the percentage of Na2CO3 in the sample. Unbalanced equation: Na2CO3 + HClO4 à Na2ClO4 H2O + CO2A 0.8250 g of soda ash sample was dissolved in distilled H O and diluted to 250-mL using a volumetric flask. A 50.00 mL aliquot portion of the dilute soda ash solution needed 4.50 mL of 0.1200 M HCl to reach the phenolphthalein end point and 10.00 mL to reach the methyl orange end point. From the volumes of HCl needed to reach the phenolphthalein and methyl orange endpoints, how many millimoles of NaHCO are there in the aliquot portion that was titrated?
