Q: Give the Esterification equation using the guide below. Mix 3 mL of isoamyl alcohol, 1 mL of acetic…
A: We have given that Give the Esterification equation using the guide below. Mix 3 mL of isoamyl…
Q: Give clear handwritten solution!...
A:
Q: Which procedure would give you the diluted solution of HNO3 with a concentration of 0.200 M?
A: The molarity of a solution is given by:
Q: 1. Which of the following can most likely increase the yield of recrystallized benzoic acid? a. A…
A: Recrystallization is the process of purification of a compound in its purest form by separating the…
Q: Describe how you would prepare the following solutions: 2 L of 4% (v/v) acetic acid (CH3COOH) using…
A:
Q: A sample was observed to have the following responses to qualitative analysis. Insoluble in water -…
A: The given observations are related to the chemical properties of alcohols. Primary, secondary and…
Q: 1,4‐Dimethoxybenzene (0.642 g) was dissolved in 2.0 mL acetic acid in a 25 mL Erlenmeyer flask using…
A: The given problem is related to green chemistry. Given: Reactants- Mass of 1,4‐dimethoxybenzene-…
Q: You have 100 mL of an organic acid solution in water which contains 0.30 g acid. The distribution…
A: The organic acid is an organic compound having organic properties and the most common organic acids…
Q: mixing 100 mL of 0.1 M acetic acid and 100 mL of 0.1 M NAOH
A: A buffer solution is one which can resist a change in its pH on addition of an appreciable amount of…
Q: For a Kjeldahl analysis: you weighed 0.0312 g unknown dried blood sample and digested it with…
A: This experiment uses Kjeldahl's method to estimate the amount of nitrogen in the given organic…
Q: Why do we know the aqueous layer is the upper layer during the wash steps?
A:
Q: Why is it common practice to boil the solution near the equivalence point in the standardization of…
A: The reason is discussed as shown below, The reaction of sodium carbonate with HCl results to form…
Q: Calculate the percent moisture in aminosalicylic acid if 9 ml of KF reagent is having a water…
A: Karl filter rotation is generally used to calculate the water content in a sample.
Q: ETHER AS SOLVENT Test the solvent power 2 mL ether with 1 mL of each of the following: ethyl…
A:
Q: Consider the reaction of 75.0 mL of 0.350 M C₅H₅N (Kb = 1.7 x 10⁻⁹) with 100.0 mL of 0.405 M HCl.…
A: Given: The volume of C5H5N is 75 mL. The molarity of C5H5N is 0.350 M. The volume of HCl is 100 mL.…
Q: Mixture of 0.7 g of Toluene and 0.3 g of CH3CH(CH3)2 CH2OH was separated using extraction. What is…
A: A separating funnel is used to separate two immiscible liquids or solvents. Liquid with lower…
Q: How to make 1L of 0.25M NaOH from solid NaOH
A: How to make 1L of 0.25M NaOH from solid NaOH ?
Q: 1. From 17M glacial acetic acid, how would you perform serial dilution to prepare 1.0 M, 0.50 M, and…
A: From 17M Glacial acetic acid solution we want to create 1000 mL of 1.0 M solution. M1V1 = M2V2…
Q: Write TRUE if the underlined word/phrase makes the statement correct. Otherwise, write the correct…
A:
Q: Describe how you will prepare the following solution 1L of 4% v/v acetic acid using glacial acid
A: We know that, glacial acetic acid has a concentration slightly less than 100% w/w i.e. 99.8 %, so as…
Q: -Br + NaHSO4 OH + NaBr + H2SO4
A: Ans
Q: Tea leaves were boiled and around 1.00 gram of caffeine were extracted using 175.0 ml of water. if…
A: Given: Amount of caffeine=1 g Volume of caffeine solution=175 mL Portion of dichloromethane=20 mL…
Q: 6- Extraction using caustic soda or other appropriate proprietary solvents is commonly used to…
A:
Q: В + с hot acidified permanganate solution 1. Hg(OAc)2/THF-H2O NBS/ hv in CCI4 A 2. NABH4/OH compound…
A: NBS is a allylic brominating agent. It causes bromination at allylic position. Hg(OAc)2/NaBH4/HO^-…
Q: Why must be the primary standard be dried before use
A: A primary standard is a reference solution used to determine the unknown concentration of another…
Q: Show the process of making 1 L of 0.3M acetate buffer at pH 5.5 with a pKa of 4.7 from solid sodium…
A: Buffer is defined as the system of chemicals i.e. weak acid and it's conjugate base or weak base and…
Q: Briefly describe how you would make 500 mls of a 1X electrophoresis running buffer from a 15X stock…
A: Given: concentration of stock solution = 15 X And the concentration of final solution = 1 X And the…
Q: Given 60.00 g of the compound in 60.00 mL water. Calculate amount extracted using multiple (2 x…
A: Concept- In a multiple extraction procedure, a quantity of solvent is used to extract one layer…
Q: An alkaline reaction of an aqueous solution has: A) Glutamic acid B) Sodium citrate for injection C)…
A: An alkaline reaction of an aqueous solution has
Q: Find the Ksp of distilled water with Mg(OH)2 as its salt (solubility:1.51121E-05 M) MgCO3 as its…
A: The equilibrium between the soluble ions and insoluble salt can be described by the solubility…
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: Once you calculate KD (KD is 4.0 g/ml), calculate how much compound would be extracted by mixing…
A: The amount of compound X which can be extracted into the diethyl ether is; KD=X100 mL diethyl ether5…
Q: How can you prepare 2.0L of a 0.5M silver nitrate solution from a 1.0M stock solution?
A: Given :- initial concentration = 1.0 M final concentration of solution = 0.5 M final volume of…
Q: Baeyer’s test Add a few drops of Baeyer’s Reagent to a test tube containing 0.5 mL of hexane.…
A: Baeyer’s reagent is prepared by dissolving potassium permanganate in water to make a 1% solution and…
Q: Describe the preparation of 2.00 L of 0.1500 M HCl from primary-standard grade NaCl using a…
A: GIven : Molarity of HCl : 0.1500M Volume of solution: 2.00L Molar mass of NaCl: 58.44 g/mol
Q: What is the chemical reaction when completing extraction experiment and using 100mg Benzoic Acid,…
A: The mixture of the Benzoic acid in 2ml of water and Dichloromethane, the benzoic acid organic it is…
Q: Why Should a pipette be rinsed with HCI and a burette with NaOH? prior to use of these solutions?
A: The above procedure is required for the strong acid and strong base titration and Pipette is rinsed…
Q: Describe how to prepare a solution of 1L of 4%v/v acetic acid using glacial acetic acid
A: V/V % solution is prepared by using below formula,
Q: Write a detailed step-by-step procedure for preparing 100 mL of a 0.200 M NaOH solution using the…
A: Molarity, molality, formality and normality are concentration terms. The molarity of a solution is…
Q: Assume that you are provided with an 18 cm fractionating column having an HETP of 6 cm to distill a…
A: To determine the composition of first drop of distillate
Q: Mix 3 mL of ethyl alcohol, 1 mL of formic acid and 2 drops of conc. Sulfuric acid in the third test…
A: Formic acid is not a typical carboxylic acid; it is distinguished by its acid strength, its failure…
Q: How do you prepare a 100mL solution of 5% acidified methanol?
A: The given solution is 5% acidified methanol.
Q: A mixture of benzoic acid and naphthalene was separated by a liquid-liquid extraction by converting…
A: Here we have to choose the correct option about how can be the benzoic acid can be recovered after…
Q: 1. Basically, when is glass stoppered buret used? ______________________________…
A: Given, 1. Basically, when is glass stoppered buret used? ______________________________…
Q: As a stabilizer in a 3% solution of hydrogen peroxide is introduced: A) sodium bicarbonate B)…
A: The compound which is introduced to stabilizer in 3% solution of hydrogen peroxide is given below.
Q: The final step in the synthesis of morphine (shown) is an organic solvent extraction to purify…
A: pKa is the negative logarithm (to base 10) of Ka (dissociation constant of acid). For a weak acid,…
Q: write a stp by step procedure for the preperation of 500 mL of 0.350 M LiNO3 solution.
A: Since molar mass of LiNO3 = 69 g/mol And moles of LiNO3 = molarity X volume of solution in L Since…
Q: What is the complete balanced equation and then the Keq expression for the following: 1.…
A: Answer: Since, Mg is more reactive metal then hydrogen, therefore it will displace, hydrogen from…
Q: Find the theoretical yield and percent yield of Aspirn. 0.35g of salicylic acid used 0.8mL acetic…
A: theoretical yield of Aspirn = 0.456g percent yield of Aspirn 7= 43.86percent
Describe how to prepare 1L of 4% v/v acetic acid using glacial acetic acid
Step by step
Solved in 2 steps with 1 images
- How to prepare 100 mL of 10% AlCl38 T mixed with distilled water 300mL. What is the final concentrationb. Calculate the molar concentration of the malonic acid if 38.17 mL of 0.315 M potassium hy- Calculate the mass percent concentration of malonic acid using the molar concentration cal- droxide was required to neutralize 25.0 mL of malonic acid to a phenolphthalein end point. с. culated in part b and assuming the density of the solution is 1.01 g/ml. lo ba Citric acid (abbreviated H,Cit) is a triprotic acid, so 3 moles of hydroxide ions are required per mole of citric acid for complete neutralization. Write the balanced chemical equation for the reaction of citric acid with sodium hydroxide. (Note that citrate ion is actually a polyatomic ion with carbon, hydrogen, and oxygen atoms and an overall charge of -3. For now, express citrate ion as Cit.) a. ele booald sh w h Jf 36.10 mL of 0.223 M NaOH is used to neutralize a 0.515 g sample of citric acid, what is the molar mass of the acid?
- You have a mixture of sodium carbonate and bicarbonate, take 2 gm of it and dissolve in 50 ml of distilled water to obtain a mixture solution, withdraw from the mixture solution of 25 ml and wipe with dilute Hcl acid with a concentration of 0.2 N using the orange methylation guide, so the volume coming down from the burette is 18ml, calculate the percentage of bicarbonate lf you know that the volume of Hcl acid coming from the burette using the phenolphthalein guide is 5ml in the mixture. 11:07 AM /a. Calculate the solubility of PbI2 (Ksp = 1.5 × 108) in moles per liter. Ignore any acid-base properties. S = mol/L b. Calculate the solubility of CdC03 (Ksp = 5.3 × 10-12) in moles per liter. Ignore any acid-base properties. S = mol/L c. Calculate the solubility of Sr3 (PO4)2 (Ksp = 1.5 × 10¬8) in moles per liter. Ignore any acid-base properties. -31 S = mol/LCalculate the solubility of CdCO3 (Ksp = 5.1 x 10-12) in moles per liter. Ignore any acid–base properties. Calculate the solubility of Sr3(PO4)2 (Ksp = 1.5 x 10-31) in moles per liter. Ignore any acid–base properties.
- Describe how to prepare 100 mL of approximately 60% (w/v) NaOH from solid NaOHA reagent bottle contains 250 cm3 of 0,4 mol.dm–3 oxalic acid(C2O4H2) solution. Calculate the mass of pure oxalic acid thatmust be dissolved in this solution so that its new concentration is 0,6 mol.dm–3. Assume that the volume of the solution remainsconstant1.00 mL of a 3.55x10^-4 M solution of oleic acid is diluted with 9.00 mL of petroleum ether, forming solution A. Then 2.00 mL of solution A is diluted with 8.00 mL of petroleum ether, forming solution B. What is the concentration of solution B?
- 1. A solution contains a mixture of Na2CO3 and NaOH. Using phenolphthalein indicator 25 mL of mixture required 19.5 mL of 0.995 M HCl for the endpoint. With methyl orange, 25 mL of solution required 25 mL of the same HCl for the endpoint. Calculate grams per liter of Na2CO3 in the mixture. a.23b.36 c.78 d.112. A 1.2040 g sample containing sodium carbonate and inert material was dissolved in water and titrated to methyl orange end point, requiring 32.50 mL of 0.1020 M HCl. Calculate the %Na2CO4 in the sample. a. 93.36% b. 14.59% c. 12.75% d. 23.41%3. A 0.1510 g KHP (MW = 204.22 g/mol) sample required a volume of 57.04 mL of NaOH solution to reach a phenolphthalein end point. Calculate the molarity of NaOH titrant. a. 0.02593 M b. 0.006481 M c. 0.01296 M d. 0.01012 MA mixture may contain NaOH, NaHCO3, Na2CO3 or any compatible mixture of these. A sample weighing 0.245 g requires 10.30 mL of 0.0990 N HCl to reach a phenolpthalein endpoint and an additional 26.25 mL to reacha bromcresol green endpoint. a. What are the components of the mixture? Put Yes for the components and NO if the component is not present. a1. NaOH a2. NaHCO3 a3. Na2CO3 b. Determine the composition anf amounts (in w/w) of each components of the mixture. Put 0 for the component which is no present. b1. % NaOH b2. %NaHCO3 b3. %Na2CO36 We wish to extract 1.2g of salicylic acid in 50 mL of water, using two portions of 20mL of diethyl ether to extract the compound, how much of the compound is removed in total? The KD of the compound is 2.0
