Assume that the molarity of the standardized KMnO4 solution is 0.025 M and it takes 23.00 mL to reach the endpoint when titrating a dilute sample of H2O2. How many moles of H2O2 are in the diluted sample initially? Group of answer choices

Q: In a titration, 25.00 ml. of an unknown weak acid required 38.99 mL of a 1.4971 M NaOH solution to…

A: Given data, Molarity of NaOH = 1.4971M Volume of NaOH = 38.99mL Volume of weak acid = 25.0mL

Q: To determine the concentration of citric acid, you will need to titrate this solution with 0.100 M…

A: Relation between molarity, volume for reaction between two solutions-    M1V1=M2V2 Where,…

Q: In an acid-base titration, 27.27 mL of H2SO4 were used to neutralize 35.89 mL of 0.303 M NaOH. What…

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Q: a) Lysine is an essential amino acid. It is taken by some people as a nutritional supplement in the…

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Q: A 20.00-mL sample of battery fluid, which contains H2SO4, is diluted to 250.0 mL with deionized…

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Q: An analytical chemist weighs out 0.413 g of an unknown diprotic acid into a 250 mL volumetric flask…

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Q: A NaOH solution is adjusted by titrating 0.8592 g of primary standard potassium acid phthalate to…

A: Potassium acid phthalate is a monobasic acid and reacts with an equimolar ratio with NaOH solution.…

Q: Compare the 2 quantities based on the given condition. Choose A If quantity in Column 1 is greater B…

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Q: A solution of 0.152 M NaOH is used to titrate 25.0 mL of a solution of H2SO4H2SO4:…

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Q: 1. A student failed to carry out all of the procedural steps when doing the experiment. Would the…

A: The number of moles is a ratio of the mass of a substance to the molar mass of the substance.…

Q: 18.9 milliliters of a 1.687 M KOH solution are required to titrate 30.1 milliliters of a H3PO4…

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Q: Suppose a standard strong-based solution was prepared by weighing out 2.514 g of NaOH in 500 mL of…

A: Solution:   moles of NaOH = 2.514/40 = 0.06285

Q: Calculate the initial concentration of  Fe ion in the solution below.   Fe3+ (aq) + SCN– (aq)  ⇌…

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Q: Calculate the concentration of SCN in each of the following standard solutions. Use 0.0500 M Fe3+…

A: a) Initial molarity of SCN-, M1 = 0.002 M Initial volume, V1 = 1.00 mL Final molarity of SCN-, M2 =…

Q: Molarity of the standard solution of sodium hydroxide = 0.1110 mol/L Volumes of NaOH (aq): Rough…

A: Titrimetric analysis:

Q: A solution of 50.0 mL HCl was titrated with 17.28 mL 0.473 M NaOH. What is the concentration of the…

A: Molarity: Number of moles of solute dissolved in per litre of solution. Its SI unit is mol/L. It is…

Q: Which of the following steps MUST be done prior to titration of an analyte? I. Prepare a…

A: Steps done prior titration.

Q: In an acid base titration lab, a student determined that a NaOH solution was 0.1885 M. The student…

A: Given balanced equation involved in the titration: H2SO4 + 2NaOH → Na2SO4 + 2H2O The molarity of the…

Q: 4. In a titration, a sample of H2SO4 solution having a volume of 15.00 mL required 36.42 mL of 0.147…

A: H2SO4 + 2 NaOH ------------> Na2SO4 + 2H2O millimoles of NaOH = 36.42 x 0.147 = 5.354

Q: You have a solution of a standardized titrant of 0.01254 M and a sample that approximately has a…

A: Given : Final concentration of titrant required = 0.01254 M Initial concentration of titrant = 0.48…

Q: 21. When 20.00 ml of sulfuric acid of unknown concentration is titrated with 0.1249 M NaOH, 32.50 ml…

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Q: The scientist starts with four solutions made of water-soluble salts. Solution A contains sodium…

A: 1) The reactant A is Na3AsO4 and reactant C is AgClO3. Hence the double displacement reaction or the…

Q: The titration of 80.0 mL of an unknown concentration H3PO4 solution requires 126 mL of 0.218 M KOH…

A: Number of moles = molarity x volume (L) H3PO4 + 3KOH = K3PO4 + 3H2O So, Number of moles of H3PO4…

Q: A student is asked to standardize a solution of calcium hydroxide. He weighs out 0.934 g potassium…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: 35.0 mL sample of 0.225 M HBr was titration with 42.3 mL of KOH. What is the concentration of the…

A: First we write the balanced equation between HBr and KOH. This is given as; KOH (aq) + HBr (aq) →…

Q: Titrate 1.2035g of solid KHP (KC8H5O4) requires 23.89 mL of an unknown NaOH solution to reach the…

A: The correct answer is option D The Ans image is attached below

Q: A 18.79-ml aliquot of a 0.3974 M potassium hydrogen phthalate solution prepared from primary…

A: According to the law of equivalency, at the neutralization point  Amount of KHP = Amount of NaOH…

Q: Suppose you are performing a titration. At the beginning of the titration, you read the titrant…

A: Given data :- At the beginning of the titration-  Initial burret reading- 1.95 mL After the running…

Q: What is Analyte and Titrant? Explain each in 3-5 sentences.

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Q: A Lab Data - X You have not titrated to the endpoint Standardized NaOH (M) 0.4033 Initial volume of…

A: Final volume of burette (in ml ) = ?

Q: Using table 3, answer the following questions.  Concentration of HCl (M) 1.0M Volume HCl (mL)…

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Q: How many moles of sodium thiosulfate pentahydrate are used in the titration? (use average volume of…

A: Titration (also known as titrimetry and volumetric analysis) is a common laboratory method of…

Q: A 25.00-mL sample of H2C2O4 solution required 43.88 mL of 0.1891 M NaOH solution to titrate it to…

A: The reaction is a neutralization reaction in which an acid reacts with a base to give salt and…

Q: 1. What is the purpose of this experiment? 2. A sample of KHP has a mass of 2.345 g is used for a…

A: Volumetric titrations are used to determine the concentrations of different by titrating it with a…

Q: A pharmacist is identifying the saponification value of corn oil in the lab. She weighs 1.8 g of…

A: CONCEPT Saponification value is defined as the number of milligrams of KOH required to completely…

Q: 0.5131-g sample containing KBr is dissolved in 50 mL distilled water. Titrating with 0.04614 M AgNO3…

A: Mohr titration is a way to quantify Br- and Cl - ions in the solution The reaction is KBr(aq) +…

Q: Titration of a 86.00mL KOH solution required 398.00 ml of 0.0240 M acetic acid. What is the molarity…

A: )

Q: aspirin

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Q: 0.3174 g sample of an unknown acid requires 26.23 mL of 0.1056 M NaOH for neutralization to a…

A: Answer: In back titration, titration is always performed in reverse where excess standard reagent is…

Q: A 25.00 mL sample of sodium hydroxide was titrated (neutralized) with 36.4 mL of 0.125 M sulfuric…

A: For acid base neutralization reaction, number of moles of acid = number of moles of base. (Molarity…

Q: Part A A solution of 0.158 M NaOH is used to titrate 23.5 mL of a solution of H,SO4: H2SO4 (aq) +…

A: Acid base titration :-       In acid base titration, the complete neutralization of one gram…

Q: A 4.80 mL sample of an H3PO4 solution of unknown concentration is titrated with a 1.100×10−2 M NaOH…

A: At equivalence point, the number of moles of acid is equal to the number of moles of base used for…

Q: RESULTS AND CALCULATIONS:   Standardization of NaOH solution 1.trial 2.trial 15.0 mL of 0.1015…

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Q: 1. What is the purpose of this experiment? 2. A sample of KHP has a mass of 2.345 g is used for a…

A: The purpose of the experiment is to determine the concentration of NaOH using a primary standard…

Q: Oxalic acid dihydrate (H2C2O4 2H2O) can be used to standardize NaOH solution through acid-base…

A: The ratio of moles of solute to the volume of solution in liters in known as molarity.

Q: You used 70 mL of deionized water instead of the necessary 50 mL of water to make a KHP solution for…

A: Since the reaction between KHP i.e weak monoprotic acid and NaOH is  KHP + NaOH -----> KNaP + H2O…

Q: Molarity of the NaOH solution? Mass of H2C2O4·2H2O=1.32191 g Volume of the H2C2O4·2H2O…

A: During titrations, the concentration of one solution is known and for others, it is calculated.

Q: How many mL of a 1.06 M H,SO4 solution are required to titrate 33.0 mL of a 0.920 M KOH solution?…

A: Given data,  Molarity of H2SO4 solution = 1.06 M  Molarity of KOH solution = 0.920 M  Volume of KOH…

Q: 0.1037 Concentration of standardized NaOH titrant mol Trial Mass of unknown acid solution 30.0…

A: Half neutralization is the point on which the concentration of weak acid is equal to the…

Q: A solution of malonic acid (H2C3H2O4) with a known concentration of 0.500 M H2C3H2O4 is tirated with…

A: Given that : Volume of H2C3H2O4 (V1) = 60 mL = 0.06 L Concentration of H2C3H2O4 (M1)= 0.500 M…