Q: Why are the acidic and basic extracts cooled before neutralization?
A: Acid-Base reactions are exothermic. So, during neutralization it is necessary that the solutions…
Q: If the pKa of the indicator is approximately 6, to which of the following equivalence point will it…
A: A suitable indicator should have pH of color transition is given by the equation of pH.…
Q: Which of the following pairs of compounds can be separated from each other by an extraction…
A: Since we answer upto 3 sub-parts we will answer first 3. Please resubmit the question by mentioning…
Q: How many milliliters of 0.105 M HCl are needed to titrate 45 mL of 9.50 x 10-2 M NaOH?
A: The equation is, M1V1 = M2V2 M1 = Molarity of HCl V1 = Volume of HCl M2 = Molarity of NaOH V2 =…
Q: How will you prepare an aqueous solution of pH 3.50, starting with 400 ml of formic acid and the…
A: The buffer solution contain formic acid (HCOOH0, a weak acid and sodium formate (HCOONa), salt of…
Q: 7. Calculate the molarity of an acetic acld solutlon If 34.57 mL of this solutlon are needed to…
A: Given, Volume of NaOH= 25.19 mL Molarity of NaOH= 0.1025 M Volume of acetic acid =…
Q: Explain how will you prepare 200 mL of a 0.15 M HCl from a 6.00 M HCl solution.
A: Given is, N1 = 6.00 M V1 =?? N2 =0.15 M V2 = 200mL
Q: How does the addition of few drops of molar nitric acid affect the pH of a solution containing…
A:
Q: what is the cation that forms a ppt when added to .1M K2SO4 but not to .1 M Na2S.
A: Given information: 0.1 M K2SO4 0.1 M Na2S
Q: How do you describe how to make 50 mL of a 3M hydrochloric acid solution using 12M HCl
A: The answer to the following question is given as:
Q: Dichloroacetic acid has a dissociation constant of K = 3.32 x 10-2. Calculate the dogree of…
A:
Q: Find the [H3O+][H3O+] concentration of a 0.290 M M acetic acid solution. (The value of KaKa for…
A: Given, the concentration of acetic acid =0.290 Mand Ka for acetic acid =1.8×10-5 we are asked to…
Q: Put Yes for the components and NO if the component is not present. a1. NaOH a2. NaHCO3 a3. Na2CO3…
A: The solution is as follows:
Q: what is observed when i. Litmus paper is dipped in hydrochoric acid ii. two drops of methyl…
A: 1). litmus paper turns blue. 2). it color turns into blue.
Q: How many millilitres of water must be added to 120 cm3 of 1.50M HCL to give 1.00 M HCL
A:
Q: Complete the balanced dissociation equation for the compound below in aqueous solution. AgI ->
A: The compound given is AgI.
Q: 2-Describe how we can prepare 500ml of 10M NH3 solution from the above solution. 1- Why it is…
A: So,here in the question this experiment means what - should be mentioned.in first part we have to…
Q: What volume of 0.0962 M NaOH is required to exactlyneutralize 10.00 mL of 0.128 M HCl?
A:
Q: Give a detailed step-by-step procedure for the preparation of 100 mL of 5 M NH 3 Cl
A: There is no chemical as NH3Cl It is Ammonium chloride that you might be asking about i.e, NH4Cl
Q: What mass of CaCO3 is required to react completely with 25.0 mL of 0.750 M HCl?
A: The balanced reaction taking place between CaCO3 and HCl is - CaCO3 + 2HCl --> CaCl2 + H2O +…
Q: Anilinium chloride (C6H5NH3Cl) is a weak acid (Ka = 2.4 x 10-5). A sample of anilinium chloride…
A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: How do the reactions of phenol samples with FeCl3compare? Which structural component of the phenols…
A: Since we only answer one question at a time, we'll answer the first one. Please resubmit the…
Q: Describe how to prepare 50.0 ml of a 3.00M hydrochloric acid solution using 12.0M HCl.
A: Assuming V mL of 12 M HCl solution is used to make 50 mL of 3.00 M HCl solution. Since moles of HCl…
Q: Based on the shape of the curve, what is the nature of the analyte? Strong acid Strong base
A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: Why is [ H30]=[OH-]=1.0× ^ -2 not feasible in water? What would happen if we tried to make such a…
A: Pure water dissociates to give an equal concentration of H3O+ and OH- ions. Following the below…
Q: Describe how you would accurately prepare 50.0 mL solution of 0.0100 M HCl from concentrated acid…
A: Given :- Initial concentration = 12.1 M Final concentration = 0.0100 M Final volume = 50.0 mL To…
Q: Explain the role of phenolphthalein in the standardization of NaOH with KHP
A: Phenolphthalein is an organic compound which is colorless in acidic solution and pink in basic…
Q: Which of the following mixtures are capable of tolerating addition of a strong base without altering…
A:
Q: Why is [ H3O]=[OH-]=1.0× ^ -2 not feasible in water? What would happen if we tried to make such a…
A: Since the water has an equilibrium with H3O+ and OH- ions as per the reaction 2 H2O (l)…
Q: ALL BEAICF 12 AN of 100 mL SOLUTION; HAve A QU EOUS 0.1M A: HN 03 B:HN O2 Ka = 7.2 X /0 CHNO;) = %3D
A: Since beaker A has acid HNO3 with concentration = 0.1 M And beaker D has H2SO4 with concentration =…
Q: How to prepare 50 ml. 1x PBS solution (pH 7.4).
A: Phosphate Buffered Saline (PBS) : Phosphate Buffered Saline is an isotonic buffer, which is…
Q: What is the purpose of phenolphthalein in an acid base titration? It marks when the moles of acid…
A: The reaction of acid and base in presence of an indicator in the laboratory is called titration. The…
Q: Explain why the mixture is buffered at pH 6 to 9?
A:
Q: 10.06 cm3 of the stock 0.100 mol dm-3 solution of NaOH was required to fully neutralise 49.5 mg of a…
A: Volume of NaOH = 10.06 cm3 Molarity of NaOH = 0.100 mol dm-3 Mass of diprotic acid (H2A) = 49.5 mg…
Q: Calculate the degree of dissociations of 0.10 M 0.8 acetic acid solution Ka= 1.5*10^-2 that exist in…
A: Degree of dissociation of acetic acid ( α ) : Ka =Cα21-α 1.5 x 10-2 = 0.10 × α21-α 0.15 = α21-α α…
Q: Give the detailed step-by-step procedure of the preparation of 20 mL of 2 M
A: We have given that Give the detailed step-by-step procedure of the preparation of 20 mL of 2 M HCl…
Q: Calculate the pOH of a solution that is 0.165 M morphine C17H19O3N and 0.386 M morphine…
A: In this solution, the morphine (C17H19O3N) is a weak base and morphine hydrochloride (C17H19O3NCl)…
Q: Complete the balanced dissociation equation for the compound below in aqueous solution. Rb 3PO4 (S)…
A: A balanced equation is one in which the number of atoms on both side of the equation are same. A…
Q: Why volume of 12 M HCL is required to prepare 16L of a 0.25 M HCL?
A: V1= ? M1 = 12 M V2 = 16 L M2 = 0.25 M
Q: Part A A 35.00 ml aliquot of a 0.105 mol L" 2-methylbutanoic acid solution vas trated with a 0.108…
A:
Q: How many ml of 1.25M KOH would be needed to completely titrate 45.0 ml of 0.750M H3PO4 ?
A: We should equal equivalent of both acid and KOH ion to get volume of koH Equivalent =…
Q: Draw/illustrate the chemical reaction involved in Barfoed’s test and explain the purpose of this…
A:
Q: In a two-vessel technique titration set-up, what is the unknown substance if the volume of…
A: To determine the mixture of substances in the sample
Q: You are tasked to prepare a 0.5 L of HCl solution with a concentration of 0.04 M. How will you do…
A: Given that - % HCl Solution = 35% Volume of new HCl Solution = 0.5 L = 500 mL (V2) Molarity of new…
Q: How can you prepare 250 mL of 0.25 F HCI, if the specific gravity of HCl is 1.184 and containing…
A: Solution: We know specific gravity is corresponds to density of this solution. So, we have density…
Q: 1 4 6 8 9. 10 -10 An aqueous solution at 25 °C has a H,O' concentration of 6. x 10 "M. Calculate the…
A: The OH- ion concentration can be determined by using dissociation constant of water at 25°C(Kw). Kw…
Q: Why is [ H3O] = [OH] = 1.0× 10-2M not feasible in water? What would happen if we tried to make such…
A: Since the water has an equilibrium with H3O+ and OH- ions as per the reaction 2 H2O (l)…
Q: What is the ratio of acetate ion to acetic acid (Ka = 1.76x10-5) in a solution containing these…
A: Given, Ka for acetic acid = 1.76×10-5 We have to calculate the ratio of acetate ion to acetic acid…
Give the detailed step-by-step procedure for the preparation of 20 mL of 0.0005 M KOH.
Step by step
Solved in 3 steps
- Give the detailed step-by-step procedure of the preparation of 20 mL of 2 M HCl.Write a detailed step-by-step procedure for preparing 100 mL of a 0.200 M NaOH solution using the materials listed above. In each step, explicitly indicate what reagents and equipment you would use.Preparation of 0.1 M Hydrochloric Acid Solution by Dilution
- Describe the preparation of 500 mL of 0.0750 M AgNO3 from the solid reagent.Describe the prepartion of 4.00L of 0.175 HClO4,starting with an 8.00M solution reagent.Explain how you would dilute 14.8 M of ortho(phosphoric acid), H3PO4 to make 500.0 mL of 0.296 M ortho(phosphoric acid), H3PO4. (Use the appropriate steps, computations, and safeguards for this scenario.)
- What is meant by the salting out effect? Illustrate.How would you expect the composition of the vapor above the solution of a mixture of acetic acid and water to compare with that of the liquid with which it is in equilibrium?What weight of HCl is present in 30mL of hydrochloric acid of specific gravity 1.19 and contains 37.5% by weight of HCl?