Calculate the volume in liters of 0.545 M KOH necessary to titrate 0.0113 moles of hydrochloric acid, HCl, to a phenolphthalein end-point. Report the answer with three significant figures.

Q: Define the term selective precipitation?

A: Given term,           Selective precipitation

Q: Express the concentration in % w/v that is equivalent to 0.5 M NaOH solution.

A: Given,

Q: Acid and Base Stoichiometry Titration of a 10.0 ml sample of sulfuric acid requires 30.0 ml of 0.100…

A: Sulfuric Acid is a dibasic acid. It releases two H+ ions whlile dissociating.     H2SO4    ⇌     H+…

Q: Write the expression for the solubility product constant for Pb(OH)2.

A: Solubility product constant ( Ksp):

Q: You dissolve 6.31 g of potassium formate in 250 mL of 0.25 M formic acid (HCOOH). This solution was…

A: Given,  Mass of KHCO2 = 6.31 g  Molar mass of KHCO2 = 84.12 g/mol  Molarity of HCOOH = 0.25 M…

Q: 1.11 M hydrazine, N2H4(aq). (Kp = 1.3 x 106). pH = i Save for Later

A:

Q: What is the difference between qualitative and quantitative analysis?

A: When identifying and measuring species, we either select quantitative or qualitative properties to…

Q: Given that 1ml of 0.01M AgNO3 =0.35mg of Clion calculate the concentration of Cl ion per ml of the…

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Q: calculate the equivalent weight pf KMnO4 in acidic medium.

A: KMnO4 is a strong oxidizing agent. The oxidation state of Mn in KMnO4 is +7. In acidic medium, Mn+7…

Q: What is the methodology of acid base titration for sodium hydroxide and hydrochloric acid.

A: In this titration NaOH which is titrant is added to the unknown solution.As it is added HCl is…

Q: Can 750 mL of water dissolve 0.60 moles of gold (III) chloride, AuCl 3?

A: Given data: Moles of AuCl3 = 0.60 moles Molecular mass of AuCl3 = 303.33 g

Q: volume

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Q: A 25.0-mL aliquot of vinegar was diluted to 250 mL in a volumetric flask. Titration of 50.0-mL…

A: Assuming there are y moles of acetic acid in 25 mL vinegar. Hence after dilution, the moles of…

Q: A tablet contains 0.5 g of magnesium hydroxide as the only basic ingredient . The tablet is analysed…

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Q: Can any of the following be used as primary standards:NaOH, H2SO4, HNO3? * .Explain your answer

A: Some characteristics of Primary standards are- • A primary standard is prepared from solid…

Q: 1. 50.05 mL of 0.4530 M KOH solution to completely to titrate 125.00 mL of sulfuric acid solution…

A: In multiple questions, we solve only first question according to the Bartleby guidelines. Write…

Q: 30. A sample of vinegar weighing 10.52 g is titrated with NaOH. The end point is overstepped, and…

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Q: mass of KIO3 = 0.9290g titrated volume Na2S2O3 = 28.88mL standardisation sodium thiosulfate

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Q: 16.The titration of an aliquot of 6 mL of acetic acid of commercial use, with NaOH 0.1 , was made by…

A: Given  Volume of acetic acid =6 mL Volume of NaOH=40 mL Concentration of NaOH =0.1 M  The percentage…

Q: D. Acid-Base Titrations A 0.1558 g of primary-standard-grade benzoic acid, CsHsCOOH, was used to…

A: Hello. Since multiple questions have been posted, the first question shall only be solved in this…

Q: What is the pH of the saturated solution of iron(II) hydroxide at about 98° С: = 5.0x10-13 KsP…

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Q: How many liters of pure water will be requried to disslove 0.885 grams of solid Lead iodate,…

A: The solubility reaction of solid Lead iodate can be written as

Q: During the titration of an HClO4solution with 0.10320M NaOH, a CHEM 3A student,Juan becamedistracted…

A: Answer: In this question we are titrating the acid against base where concentration of base is known…

Q: Write the procedure and necessary calculations for the preparation of 250 mL of 100 PPB of Cadmium…

A: Given: Volume of solution = 250 mL. And concentration of cadmium ion = 100 ppb.

Q: If 35.0 mL of a 0.100 N acid solution is needed to reach the end point in titration of 21.5 mL of a…

A: Given, Normality of acid solution (N1) = 0.100 N Volume of acid (V1) = 35.0 mL Volume of base…

Q: In chemistry,   p H = − log [ H + ]  . Given that   C   is the original concentration of hydrogen…

A: The pH value gives the idea about the acidic or basic nature of the given solution.  If pH < 7…

Q: 4) A series of titrations gave the following concentration (M) values: 0.517,0.528, 0.521, 0.523.…

A: Molarity is defined as “the mole of the solute per unit volume of the solution”. It is represented…

Q: Calculate the molar analytical concentration of solute in an aqueous solution that is a. 14.00%…

A: A solution consists of solute and solvent. A solute is defined as the component that is present in a…

Q: Determine the mass (in grams) of an unknown sample of the monoprotic acid aspirin (HA,…

A: Molarity of NaOH = 0.100 M Volume of NaOH = 32.50 mL Molar mass of Acid = 180.16 g/mol

Q: Determine the pH of the dissociation of 0.1 M HCN (aq). For which the dissociation constant is equal…

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Q: In the course of various qualitative analysis procedures, thefollowing mixtures are encountered: (a)…

A: In the qualitative analysis, how the mixtures can be separated has to be given.

Q: What is the maximum [Pb2+] that can exist in 0.015 M CuSO4?

A: [CuSO4] = 0.015 M

Q: Give some examples of secondary standard solutions, and give the reason

A: There are mainly two types of solution, primary standard solutions and secondary standard solutions.…

Q: The hydronium ion concentration in pure water at some temperature other than 25 °C is 2.43 x 10-6.…

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Q: During a titration, the initial reading of a burette was recorded at 11.5 ml and the final reading…

A: The solution whose concentration is known is called titrant. The burette is filled with the titrant…

Q: What is the pH of a saturated solution of magnesium hydroxide (the active ingredient in the antacid…

A: Milk of magnesia which is a saturated solution of magnesium hydroxide has a pH of  about 10.0 (basic…

Q: What is selective precipitation? Under which conditions does selective precipitation occur?

A: What is selective precipitation? Under which conditions does selective precipitation occur?

Q: How many moles of hydrochloric acid were there in the volume of acid added in the titration? ii)…

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Q: The dissociation expression of a dilute aqueous solution of hydrochloric acid is shown as: HCl(aq)…

A: HCl, a strong acid dissociates completely in aqueous solution to give proton H+, which combines with…

Q: Calculate the amount of lime (85% pure) and soda (95% pure required for the treatment of 10000 litre…

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Q: A solution of 20 ml of 1O N KOH required 20.3 ml of NaOH solution when end point of Titration was…

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Q: The student added universal indicator to the alkali solution at the start of the experiment. The…

A: The Concept used here is from the ACID and BASE of chemistry. According to question. When a student…

Q: What is the acid-base equilibria chemical reaction for Na2[B40(OH)]*8H2O (aq) and H2O (1)? Please…

A: The above molecule is borax salt. It forms into borax .

Q: Explain how the bicarbonate and phosphate buffer systems resist pH changes.

A: A buffer solution is an aqueous solution consisting of a mixture of a weak acid and its conjugate…

Q: Which statement about acid-base indicators is not correct? *       A- A weak acid can be used as an…

A: Acid-base indicators made of weak acids and weak bases. Due to common ion effect.

Q: In the course of various qualitative analysis procedures, the following mixtures are encountered:…

A: In the qualitative analysis, how the mixtures can be separated has to be given.

Q: Write the net ionic equation in which the slightly soluble salt magnesium oxalate, MgC2O4, dissolves…

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Q: Which salt would you expect to dissolve readily in acidic solution, calcium phosphate, Ca3(PO4)2, or…

A: Answer :-  In acidic solution, calcium phosphate, Ca3(PO4)2 is readily soluble than calcium sulfate,…