Answered: An impure sample H2C204 was oxidized by…

An impure sample H2C204 was oxidized by KMnO4. A 0.262g sample of H2C204 was dissolved, and the solution was diluted to 100mL. A 25mL portion of H2C204 solution was titrated with 25 OT of 0107

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: Write the chemical reaction for the conversion of CO2 to HCO3-, including the enzyme that catalyzes…

A: The chemical reaction involved in the conversion of CO2 to HCO3- is, CO2 + H2O <=> H2CO3…

Q: Why do we titrate medications

Q: What is the pH of a buffer solution that contains 0.30 M H2PO4–1 and 0.60 M HPO4–2 ? Given: pKa…

Q: pka of 4.9 what is the weak acid and conjugate base pH of buffer solution is 5.90

A: The pKa value of 4.9 indicates the acidity of a weak acid. To determine the weak acid and its…

Q: What is the pKb of the conjugate base of a weak acid that has a pKa equal to 3.52? (temperature is…

A: Given that : pKa = 3.52 pKb = ?

Q: Iodine can be in the form of I3 and I-2. Why are these forms used in the titration of vitamin C?

A: Please find your solution below : Vitamin C also known as ascorbic acid is a water soluble vitamin.…

Q: A chemist generates the titration curve shown by slowly adding 0.1 M sodium hydroxide (NaOH) to 25…

Q: (2) A 100.00-mL sample of 0.2000M glycine, A+ form (see structure below), was titrated with 0.2000M…

A: We have find out the answer.

Q: 2) Acetic acid has a Ka of 1.80x10-5. What is the pH of a buffer solution made from 0.150 M HC₂H30₂…

Q: Write a balanced chemical equation that describes the neutralization of Mg(OH)2 with HNO3

A: Magnesium reacts with nitricacid to form a salt and water.Tha salt is magnesium nitrate. Now the…

Q: the pH of a buffer solutiont

Q: acid

A: Acetic acid buffer consists of weak acid acetic acid and the salt of weak acid (for example – Sodium…

Q: 25. A healthy subject ingests a diet that generates 80 mmol/day of nonvolatile acid. If this subject…

A: The nonvolatile acid generated in the person per day is = 80 mmol/day The titrable acid present in…

Q: 0 mL of a H₂SO4 solution with an unknown concentration was titrated to a phenolphthalein endpoint…

A: Molarity is defined as number of mole of solute divide by volume of solution in liter

Q: A 25.0 mL sample of a 0.2500 M solution of aqueous trimethylamine is titrated with a 0.3125 M…

A: (a) [HCl] = 0.3125 M Volume of HCl = 10 mL [(CH3)3NH2] = 0.2500 M Volume of (CH3)3NH2) = 25 mL pKb…

Q: Given the following ksp values for insoluble salts: Hg 2 Cl 2 2.0 x 10 -23 CaCO 3 5.0 x 10 -9 SrC 2…

A: The equilibrium between a solid compound and its respective constituents ions in solution are…

Q: Virtual Lab Question: Phosphorus in urine can be determined by treating with molybdenum (VI) and…

A: Solution Absorbance 1.00 ppm P 0.205 2.00 ppm P 0.41 3.00 ppm P 0.615 4.00 ppm P 0.82…

Q: A solution contains NaHCO3 (84.01 g/mol), Na2CO3 (105.99 g/mol), and NaOH (40.00 g/mol), either…

A: Molarity - It is defined as moles of solute dissolved per liter of volume. M=nV Strength is given by…

Q: Chloroacetic acid, ClCH₂COOH, has a pKₐ of 2.87. What are [H₃O⁺], pH, [ClCH₂COO⁻], and [ClCH₂COOH]…

A: Given : pKa of ClCH2COOH = 2.87 And initial concentration of ClCH2COOH = 1.25 M Since ClCH2COOH is…

Q: The pH of normal urine is 6.30, and the total phosphate concentration ([PO43−] + [HPO4 2−] + [H2 PO4…

Q: Determine the volume of KOH consumed by 1-g fat (in ML), Weight of KOH (in g), and Saponification…

Q: What is the concentration of a solution of Ca1OH22 for which the pH is 11.68?

A: Ca ( OH)2 ------> Ca + 2 OH - pOH = 14 - 11.68 = 2.32 pOH = - log [ OH-] 2.32 = - log [OH-] [OH-]…

Q: What is the pH number of a buffer solution prepared from 0.05 M ammonium hydroxide (NH4OH) and 0.09…

A: The Given solution is a Basic buffer solution.

Q: Does the pH increase, decrease, or remain the same when each of the following is added? EXPLAIN:…

A: pH = -log[H+] So the concentration of H+ increases pH of the solution decreases while when…

Q: What would be the result if Na2SO4 was added to milk? Would one be able to detct the presence of…

A: Na2SO4 when dissolved in water gives Na+(aq) and SO42-(aq). Milk contains calcium ion, Ca2+(aq).

Q: A student added a total of 75 mL sodium hydroxide to titrate an amino acid solution with 0.5M NaOH.…

A: To determine the initial concentration of amino acid solution in mM , we need to calculate the…

Q: Which of the following will form a buffer when mixed with NH4!? O NH4IO HI O Nal O NH3 O NalO

Question

How many moles of H2C2O4 were titrated?

An impure sample H2C204 was oxidized by
KMnO4. A 0.262g sample of H2C204 was dissolved,
and the solution was diluted to 100mL. A 25mL
portion of H2C204 solution was titrated with
25.2mL of 0.0107M KMnO4.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Introduce question

VIEW

Step 2: Write equation

VIEW

Step 3: calculate moles

VIEW

Solution

VIEW

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

What is the concentration of Cd2+ in a solution that is 0.10 M Cd(NH3)42+? (Kf = 4.0 x 106) Group of answer choices 1.0 x 10-2 2.0 x 10-3 1.0 x 10-3 1.0 x 10-4 2.0 x 10-2
3 Write the ionization equilibrium for lysine and calculate its pI.
In Aspirin lab preparation a student used 69.0 g of salicylic acid and 30.0 g of acetic anhydride. Write the general balanced equation and calculate the reaction efficiency, if the pure aspirin was 0.25 mole. Why did you use phosphoric acid in the reaction?
A solution contains both NaHCO3 and Na2CO3. Titration of a 50.00 mL portion to a phenolphthalein end point requires 21.25 mL of 0.1385 M HCl. A second 50.00 mL aliquot requires 45.48 mL of the HCl solution when titrated to a bromocresol green end point. Calculate the molar concentration of Na2CO3 in the original solution. (Do not include the unit for molarity. Enter your answer to three significant figures.)
How does NaC2H3O2 act as a buffer?
In order to adjust the Potassium Permanganate solution, 0.0544g Na2C2O4 was taken and necessary experimental procedures were performed on it and the titrant consumption was found to be 7.9 mL. What is the KMnO4 concentration? A. 0.040B. 0.044C. 0.021D. 0.027
A student titrates 65.00 mL of a 0.0750 M solution of trimethylamine with 0.100 M hydrochloric acid A) how many mL of hydrochloric acid solution are needed to reach the equivalence point? B) What will be the pH at the equivalence point?
The pK₂ of acetic acid, HC₂H3O2, is 4.96. A buffer solution was made using an unspecified amount of acetic acid and 0.1 moles of NaC2H3O2 in enough water to make 1.82 liters of solution. Its pH was measured as 4.04. How many moles of HC2H3O2 were used? Report your answer with 2 places past the decimal point. Do not put unit in your answer.
If the solubility of Li2CO3 is 1.32 g/100 mL, what is its Ksp at room temperature?