A 0.2050g sample of potassium hydrogen sulfate was dissolved in distilled water and then titrated to the endooint 20.25mlof a potassium hydroxide solution. what is the concebtration of the pitassium hydroxide solution? the balanced formula: KHSO4(aq)+KOH(aq)=K2SO4(aq) + H2O(l)

Q: In the preparation of Rochelle salt (MW = 282.83 g/mol), 6.6 grams of monohydrated Sodium carbonate…

A:

Q: When a solution of ammonium sulfate is added to a solution of strontium nitrate, Sr(NO3)2, a white…

A:

Q: 25 mL of a bleach (NaOCl) sample is diluted to 500 mL. An excessive amount of KI is added to the 20…

A: The question is based on the concept of quantitative analysis . we have to calculate percentage of…

Q: In one trial of the standardization of a Na2S2O3 solution, a 10.00 mL volume of 5.00×10-3 M KIO3 is…

A: Solution is given below in next step

Q: You are asked to prepare a 1.000L solution of 45 M CHOs (glucose, molar mass 180 16 g/mol) in a lab…

A: The number of moles of glucose is calculated as shown below. The number of moles of glucose is 4.50…

Q: What is the molarity of a solution of H3PO4 if 50.00mL of it is titrated with 25.68 mL of 0.1201 M…

A: Given that: Volume of H3PO4 solution, V1 = 50.00 mL = 0.05 L, molarity = M1 Volume of NaOH solution…

Q: To determine the amount of magnetite, Fe3O4 in an impure ore, a 1.5419 g sample is dissolved in…

A: The balance chemical equation can be given as below 2Fe3O4 → 3Fe2O3 The formula weight of Fe3O4 =…

Q: Ringer's solution, used in the treatment of burns and wounds, is prepared by dissolving 8.6 gg of…

A:

Q: which of the following substances is commonly used to reduce soil acidity? Ammonium sulphate Sodium…

A: a) For reducing the acidity of the soil, we need a basic substance. Of the given options, only…

Q: Calculate the molarity of a KNO, solution prepared by adding 10.1103 g KNO, in a 250 mL volumetric…

A:

Q: KHP (aq)+NaOH (aq)-->NaKHP (aq)+H2O(l)   Trial  Vi (mL) Vf (mL) 1 36.19 48.56 2     3       A…

A: According to the chemical equation, the number of moles of KHP react with NaOH are equal.

Q: By pipet, 10.00 mL  of a 0.823 M stock solution of potassium permanganate (KMnO4) was transferred to…

A:

Q: A student prepares a dilute solution of sodium hydroxide, NaOH(aq), starting with 6 M so- dium…

A: The question is based on the concept of titration. we are titrating a strong base with a weak acid.…

Q: 4. Which is more efficient method of separating solids from liquids by filtration or by decantation?…

A: 4. Filtration is more efficient to separate solid from liquid. If decantation is done , there is a…

Q: The balanced equation for the neutralization reaction of aqueous H2SO4 with aqueous KOH is shown.…

A: Given Titration of H2SO4 and KOH. To find The volume of KOH required to completely react with the…

Q: The balanced equation for the neutralization reaction of aqueous H2SO4 with aqueous KOH is shown.…

A: Balanced Reaction H2SO4 (aq) + 2KOH(aq) ---> K2SO4 (aq) + H2O(l)  Given Data Volume of H2SO4 =…

Q: Write the full balanced molecular cquation for the reaction described, with state signs for all…

A: As mentioned in the question, the subparts (e), (f) and (g) have been answered.

Q: What is the mass of chromium three(iii) when 6.85 ampere is passed through molten chromium oxide…

A: The electrolysis of molten chromium (III) oxide undergoes according to the equation given as,…

Q: To determine , by gravimetric analysis, the concentration of barium ions (Ba2+) in a given solution,…

A:

Q: Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of…

A: The question is based on the concept of solutions. Mass percentage is a method of expressing…

Q: Write a balanced chemical equation describing the mixing of the following 2 reagents in aqueous…

A:

Q: Zinc and magnesium react with hydrochloric acid to produce the metal chlorides and hydrogen gas. A…

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

Q: (4) The amount of oxalic acid in a sample of 3+ rhubarb was determined by reacting with Fe as…

A: We should equal equivalent of both acid and Fe+3 ion to get mass of oxyliac acid  Equivalent =…

Q: In a biochemical assay, a chemist needs to add 3.81 g of glucose to a reaction mixture. Calculate…

A: Molar mass of Glucose is 180.2 g/mol. Calculation of no. of mol of Glucose:

Q: concentration, if you have an available 2M stock solution of Palmitic acid? How many mL of the 2M…

A: Here solute is palmitic acid and solvent is benzene Amount of solute mp               = 112g Volume…

Q: A titration of a 0.7879g sample potassium hydrogen phthalate, KHP (GFW= 204.23g/mole), required…

A:

Q: A 36.0 mL sample of aqueous sulfuric acid was titrated with O.250 M KOH(aq) until the acid-base…

A: The volume of sulfuric acid = 36.0 mL The molarity of KOH = 0.250 M The mass of residue formed after…

Q: A permanganate solution is prepared by dissolving 20.0123 g KMNO4 in 500 mL of distilled water and…

A:

Q: ?…

A: Malic acid is an organic compound with the molecular formula C4H6O5. It is a dicarboxylic acid that…

Q: Solution A is 0.2400 M Ca(NO:)>(aq). Solution A is diluted by a factor of 3 to form Solution B.…

A: Given data contains, Volume of solution B is 27.50mL. Molecules of NO that were obtained is…

Q: Solution A was prepared by weighing 6.08 grams of K3Fe(CN)6 (MW 329.2 g/mol) and dissolving the…

A: Given the mass of K3Fe(CN)6 taken to prepare the solution-A = 6.08 g  Molar mass of K3Fe(CN)6 =…

Q: The balanced equation for the neutralization reaction of aqueous H2SO4 with aqueous KOH is shown.…

A:

Q: A student prepares a dilute solution of sodium hydroxide, NaOH(aq), starting with 6 M so- dium…

A: We have to calculate molar concentration of the sodium hydroxide solution i.e NaOH. Given :…

Q: A quantitative analysis for ethanol, C2H6O, can be accomplished by a redox back titration. Ethanol…

A: When it comes to back titration, the stoichiometry between Cr2O72- and the analyte C2H6O and between…

Q: The grams and %w/w of Malic acid present in the 200.0 mL wine sample

A:

Q: Balance the following double displacement (precipitation) reaction. Include states ____AgNO3( ) +…

A: A balanced equation is an equation for a chemical reaction in which the number of atoms for each…

Q: Solution A was prepared by weighing 6.08 grams of K3Fe(CN)6 (MW 329.2 g/mol) and dissolving the…

A:

Q: A 0.0200 M aqueous solution of sodium sulfate solution was prepared in a 50.00-mL volumetric flask.…

A: On dilution number of moles remain same so we can write  M1V1= M2V2  M1 ,V1 are molarity and volume…

Q: Zinc and magnesium react with hydrochloric acid to produce the metal chlorides and hydrogen gas. A…

A: The reaction of Zn and Mg with HCl is – Zn + 2HCl →ZnCl2 + H2Mg + 2HCl →MgCl2 + H2

Q: Adic acid (H2C6H8O4) is an important carboxylic acid compound for the industry in which nylon is…

A: The answer to both the questions can be given as:

Q: The chemical reaction occurring during the discharge of a lead storage battery can be represented by…

A: Given chemical reaction : Pb(s)+PbO2(s)+2H2SO4(aq)→2PbSO4(s)+2H2O(I)

Q: Consider Palmitic acid C16H32O2, a common fatty acid used in the manufacture of soap. A solution of…

A: The question is based on the concepts of solution. we have to calculate the mass percentage of each…

Q: Write the balanced equation for the reaction of aqueous Pb(ClO3)2Pb(ClO3)2 with aqueous NaI.NaI.…

A: Given information: Volume of Pb(ClO3)2 = 1.50 L Concentration of NaI = 0.250 M Volume of NaI = 0.100…

Q: The density of an aqueous solution containing 40.0% sulfuric acid (H2SO4) by mole is 1.681 g/mL. b)…

A:

Q: A stock solution of potassium permanganate (KMn04) was prepared by dissolving 13.0g KMn04 with DI…

A: Molarity: The number of moles of solute particles dissolved in 1 L of solution. M=n/v Given data…

Q: A permanganate solution is prepared by dissolving 20.0123 g KMNO4 in 500 mL of distilled water and…

A: Given: The reaction is as follows, 5H2C2O4+2MnO4-+6H+⇌10CO2+2Mn2++8H2O Molarity of oxalic acid =…

Q: The balanced equation for the neutralization reaction of aqueous H2SO4 with aqueous KOH is shown.…

A: Volume of KOH is calculated as follows

Q: 1. What mass of solid Lanthanum (III) oxalate nonahydrate { La2 ( C2O4 )3 ∙ 9 H2O } can be obtained…

A: Hi, we are supposed to answer one question. To get the remaining questions solved please mention the…

Q: The conversion of nitrogen to ammonia, an essential process in the nitrogen cycle, occurs only in…

A: Given, the reaction involved in the titration: The volume of the Mo3+ sample = 30 mL The volume of…

Q: A 244.5-g sample of ground water is analyzed for calcium. The Ca2+ in the sample is first…

A: