Answered: 13-6. Titration of 0.2121 g pure…

13-6. Titration of 0.2121 g pure Na2C2O4 (134.00 g/mol) required 43.31 mL KMNO4. What is the molarity of the KMNO4 soln? 2MnO4¯ + 5C¿0,² + 16H* 2Mn* + 10CO2 + 8H2O

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter14: Principles Of Neutralization Titrations

Section: Chapter Questions

Problem 14.7QAP

See similar textbooks

Related questions

Q: Predict whether the ionic compound Cs2S will form an acidic, basic, or neutral solution when…

A: The acid-base nature of the salt solution depends on the nature of the acid and base from which the…

Q: Please show the schematic diagram (qualitative analysis) of NaCl

Q: In a titration experiment, 50mL of HCI was needed to completely neutralize 20mL of 0.25 M NaOH.…

A: Given :- Molarity of NaOH solution = 0.25 M Volume of NaOH solution = 20 mL Volume of HCl solution =…

Q: a) Give the complete and condensed gr Complete e conf. b) Give a condensed electron configu valence…

Q: Consider that the air we breathe right now contains mostly N2, O2, and Ar. Which statement is true?…

Q: Na2CO3 (aq) + CaCI2 (aq)

A: Na2CO3 (aq) + CaCI2 (aq)

Q: 4. A 5.00 gram sample of an unknown metal was placed in a beaker of boiling water (99.58 °C). After…

Q: To study the effects of a weakly acidic medium on the rate of corrosion of a metal alloy, a student…

A: First we would Calculate Kb value using Ka of acetic acid. Then first we write chemical equation…

Q: For each system listed in the first column of the table below, decide (if possible) whether the…

A: Given:

Q: Click the "draw structure" button to launch the drawing utility. Vhat is the major monobromination…

Q: Another physical property that is determined by the intermolecular forces is the states of matter.…

Q: A two-liter sample of mineral water was evaporated to a small volume, following which the potassium…

Q: 4. Suppose 5 mL of 1.5 M ethylene diamine is added to 50 mL of 0.15 M Ni solution in an dentical…

Q: It was required to limit grain size during high temperature processing of copper sheet. and the…

A: We have find out the effects of solute and particles on high temperature grain growth.

Q: When 225 g of solution was evaporated to dryness 52.35 g of solute was recovered. What was the…

Q: Calculate the induced dipole moment of SO2 due to a K+ ion that is 5.2 Å away from the center of the…

Q: 2. List the quantum numbers associated with 1-7 n = possible mi %3D

Q: If a solution has a hydroxide ion concentration of 8.57x101-4, what is the concentration of…

Q: 4. Sodium hydroxide solution was standardized against one gram of potassium acid phthalate. First…

A: Given: 1 g of KHP is reacting. Volume of NaOH solution used in trial 1 = 52.0 mL = 0.052 L…

Q: It describes the closeness agreement between the average of a large number of results and a true or…

A: Given: It describes the closeness agreement between the average of a large number of results and a…

Q: Calculate the pH at the equivalence point for the titration of 0.210 M methylamine (CH3NH2) with…

Q: HCI (aq) + KHCO3 (aq) Complete ionic equation: Net ionic equation

A: Write the balanced molecular equation Split electrolytes to their corresponding ions to achieve…

Q: Predict the product of this organic reaction under strongly oxidizing conditions: CH3 O [0] CH3…

Q: Consider the decomposition of a metal oxide to its elements, where M represents a generic metal. 3…

Q: A buffer with a pH of 4.65 contains 0.39 M of sodium benzoate and 0.14 M of benzoic acid. What is…

A: Given, pH of buffer = 4.65 [C6H5COONa] = 0.39 M [C6H5COOH] = 0.14 M Volume of buffer = 1.4 L…

Q: Date: Rate-Law Hand-In D 1. The reaction below takes place in aqueous solution: 2 CIO, + 2 OH → CIO,…

Q: Write the chemical equation for the reaction that occurs when 0.10 M hydrochloric acid (HCI) is…

A: 0.10 M hydrochloric acid (HCl) is added to the buffer solution that is made up of acetic acid…

Q: Given Nitrate, NO3ª. a. The most electronegative element is so the center element should be b. Draw…

A: Lewis structure is one of the ways to represent the molecule Here We are required to draw the Lewis…

Q: 1. 43 g of Sodium Chloride in 1 L of water. 2. 25 g of Calcium Chloride in 1 L of water. Compute for…

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: the number of protons in an atom is equal to the atomic number true or false?

A: Given statement :- The number of protons in an atom is equal to the atomic number To determine :-…

Q: SN1 reactions are better performed in protic solvents. Explain why the researchers could not perform…

A: In SN1 reaction, alky halide/sulphonate react with a weak nucleophile. In first step of reaction…

Q: Give a clear handwritten answer...

Q: What is the molarity of 30g of table salt in 120ml of water. Density of table salt is 2.17 g/ml.

A: Molarity is the amount of moles of any substance present per liter volume. Molarity = moles of…

Q: 4. Given the following information: (Enthalpy of Formation) AHF°(NO2, gas) = 33.18 kJ/mol AHF°(H2O,…

A: The standard enthalpy of formation is the enthalpy change of reaction in standard conditions when…

Q: Draw the structure of a wax formed from stearic acid [CH3(CH2)16COOH] and the alcohol

A: Carboxylic acid reacts with alcohol in the presence of acid or base catalyst to form an ester. The…

Q: A gaseous mixture contain 32.9 mol % He, 40.7 mol % N2 and 26.4 mol % Determine the composition of…

A: Given : We have to calculate the composition of mixture on mass basis.

Q: In which of the following substances can strong hydrogen bonds form between the molecules? (You may…

A: Hydrogen bonding is a special kind of dipole-dipole attraction. It occurs when a hydrogen atom is…

Q: Now let us look at a real amino acid, alanine. Fill in the chart below for each ionizable group. You…

A: Alanine is one of the essential amino acid Here we are required to complete the table for the amino…

Q: If 90.00 mL of a 1.780 MHNO2 solution is reacted with 1.950g NaOH, calculate the resulting pH. The…

A: Given : Volume of HNO2 = 90 ml Molarity of HNO2 = 1.780 M

Q: 10.0 g sample of water at 20.0 °C is added to a 50.0 g sample of water at 70.0 °C. What is the final…

A: Mass of sample 1 = 10 g Initial temperature of sample 1 = 20.0 °C Mass of sample 2 = 50 g Initial…

Q: A block of unknown metal requires 50 kJ of heat to raise in temperature from 40 deg C to 50 deg C.…

A: Given Q1 = 50 KJ ∆T= final temperature - initial temperature = 50- 40 = 10 Now by using…

Q: In pure water, what are the concentrations of H+ and OH- ions?

A: Given; ions

Q: The product formed by the reaction of CH3CO,H with HN-CH3 H2C -CH3 is properly named a.…

A: The reactants given are CH3COOH and .

Q: The rate law for the following reaction is: 2W + 3X + Y → Z [X] mol L-1 mol L-1 mol L-1 [Y] Rate of…

Q: Use standard enthalpies of formation, AH;, to calculate the AH?xn for 2 NO(g) + 2 H, (g) → N, (g) +…

A: Answer: Formula to calculate enthalpy of reaction from the enthalpy of formation is shown below:…

Q: The standardized basic solution (0.0939 M) was then used in getting the total acidity of a food…

Q: Calculate the % ionization of a 0.100M HF solution. Ka = 6.4 x10-4

A: [HF ] = 0.1 M Ka = 6.4 x10-4

Q: The first four steps in the radioactive decay sequence of Po-218 are a, B, a, B. To write the…

A: Given ; Po-218

Q: What would 0.03 bq of Cs be equivalent to? What i mean by this is, how much is that when compared to…

A: Given :0.03 bq of Cs We have to determine: What would 0.03 bq of Cs be equivalent to i) in terms…

Q: Specific Metal Heat (J/g°C) Calcium 0.647 Iron 0.449 Silver 0.235 Gold 0.129 In joules, how much…

A: The amount of heat involved in changing the the temperature of any substance is given by formula - Q…

Concept explainers

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for

Question

13-6. Titration of 0.2121 g pure Na,C2O4 (134.00 g/mol) required 43.31 mL
KMNO4. What is the molarity of the KMNO4 soln?
2MnO4¯ + 5C20,² + 16H*
2Mn** + 10CO + 8H2O

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

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

Fifty cm3 of 1.000 M nitrous acid is titrated with 0.850 M NaOH. What is the pH of the solution (a) before any NaOH is added? (b) at half-neutralization? (c) at the equivalence point? (d) when 0.10 mL less than the volume of NaOH to reach the equivalence point is added? (e) when 0.10 mL more than the volume of NaOH to reach the equivalence point is added? (f) Use your data to construct a plot similar to that shown in Figure 14.10 (pH versus volume NaOH added).
I3–. IO3– + 8I– + 6H+ ⇌ 3I3– + 3H2O. The 50-mL of I3 or triiodide (0.0014 mol) was used to standardize sodium thiosulfate or Na2S2O3 where titration required 28.48 mL. What is the concentration of the Na2S2O3 solution?
5. 25.00 mL of HCN (K₂=4.90 x 10-10) was titrated with 18.50 mL of 0.0125 M Ca(OH)2. a) What is the concentration of HCN in the original sample? b) What is the pH after 9.25 mL of base have been added? c) What is the pH of the solution at the endpoint of the titration?
For the titration of 25.0 mL of 0.125 M acetic acid (CH3COOH, K₂ = 1.8x10-5) with 0.125 M NaOH, what volume of NaOH is needed to reach the equivalence point? O 12.5 mL O 25.0 mL O 15.00 mL O 30.00 mL CH3COOH(aq) + NaOH(aq) →→→ NaCH3COO(aq) + H₂O(l)
3. A 60.00 mL aliquot of 0.0350 M CH3NH2 (Ka: CH3NH3* 2.3 x 10-11) is titrated with 0.1500 M HCI. The reaction is CH3NH2 + HCI = CH3NH3* + CI- Calculate the pH after the addition of (a) 10.00 mL and (b) 14.00 mL of acid. CH3NH3* + H2O = H3O* + CH3NH2
The solubility product constant for Hg(IO3)2 is 3.2 x 10-13. What is the Hg2+ concentration of a solution prepared by mixing 50.0 mL of 0.200 M Hg (NO3)2 with a) 50.0 mL of 0.05 M KIO3 ? b) 50.0 mL of 0.4 M KIO3 ? c) 50.0 mL of 0.5 M KIO3 ?
For the titration of 50.00 mL of 0.300 M RbC7H5O2 (WB) with 0.200 M HNO3 (SA). Ka (HC7H5O2) = 6.3 x 10-5 Express pH value to two decimal places. Determine the initial pH before any acid is added.
12-8. Generate equilibrium constant expressions for the following titration reactions. Calculate nu- merical values for Keg. (a) Fe3+ + V²+ = Fe2+ + V³+ (b) 2V(OH) + U*+ = O'Ht + +On + +¿OAT (c) 2Ce*+ + H,AsO, + H,O = 2Ce3+ + H3ASO, + 2H* (1 M HCIO,) (d) VO2+ + V²+ + 2H+ = 2V³+ + H,O
The molar solubility of MgCO3 (Ksp = 3.50 x 10-8) in distilled water at room temperature is ______ M. Titration of a 50.00-mL aliquot of the saturated solution will require ______mL of 0.005000 M HCl to reach the phenolphthalein endpoint.
What is the pH of a buffer made from 0.580 mol of CH3NH2 (Kb = 4.4 x 10-4) and 0.110 mol of CH3NH3I?
3:21 1 4 7 +/- Question 7 of 10 In the titration of 230.0 mL of 0.4000 M HONH₂ with 0.2000 M HBr, how many mL of HBr are required to reach the equivalence point? 2 5 8 mL 3 60 9 O Submit Tap here or pull up for additional resources XU x 100
Salt MgCO3 Mg(OH)2 Theoretical Ksp 3.5 x 10-8 1.8 x 10-11 For the standardization of the HCI titrant, 5.230 mg Na2CO3 (98.9% purity, MW = 105.99 g/mol) required 24.4 mL of the titrant to reach the phenolphthalein endpoint. After isolating and precipitating the magnesium salt A, a portion was dissolved in distilled water in order to make a 250.0-mL saturated solution. The titration of a 50.0-mL aliquot of the saturated solution required 8.20 mL of HCl titrant to reach the phenolphthalein endpoint. Meanwhile, dissolving this magnesium salt in 250.0 mL of 0.0200 M MgCl2 required 1.51 mL of the same HCl titrant to titrate a 100.0-mL solution. a. What is the molarity of the HCI titrant? b. Comparing the data in distilled water with the two possible solids, which is the most likely identity of the magnesium salt? Show your full solutions in getting your conclusion. Note: Don't forget to factor in stoichiometry c. What is the average experimental Ksp for both solvents (distilled water and…