ure KI is treated with 0.1942g of pure K2CrO4 and the solution is boiled to expel all of the liberated iodine. The cooled solution is then treated with excess KI and the liberated I2 titrated with 0.100N sodium thiosulfate, requiring 10.00

ure KI is treated with 0.1942g of pure K2CrO4 and the solution is boiled to expel all of the liberated iodine. The cooled solution is then treated with excess KI and the liberated I2 titrated with 0.100N sodium thiosulfate, requiring 10.00

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter17: Complexation And Precipitation Reactions And Titrations

Section: Chapter Questions

Problem 17.33QAP

See similar textbooks

Related questions

Q: The volume of a gas under standard atmospheric pressure (76 cm Hg) is 3277 cubic cm. What is the…

A: Given, At constant temperature, initial pressure ,P1 = 76 cm Hg Initial volume, V1 = 3277 cm3 Final…

Q: Oiven the cash Nows in the tnble below for three different alternatives, determine which alternative…

Q: What is the molarity of a solution in which 0.850 grams of ammonium nitrate are dissolved in 345 mL…

A: Detail solution and mathematical calculation is shown below to find out the molarity

Q: 6) Evaluate (dS/a)T for a van der Waals gas. For an isothermal expansion, will AS be greater for an…

A: The solution is given below -

Q: 1. excess phenol CH3(CH,),MgBr В + A 2. H,0* CI base phenol 1. NaOl(aq) 2. H,O C + phenol

A: Detail mechanistic pathway is given below to find out the missing intermediate and final product

Q: Synthesize H3C from ethyne.

A: Detail mechanistic pathway is given below by which we can carry out the following synthesis reaction

Q: what is ΔG for a certain reaction of 300 degrees Kelvin if Kp is 6.0 x 10^2

A: Given-> T = 300 K Kp = 6.0 × 102

Q: what is the chemical equation of alkyl dimethyl benzyl ammonium chloride?

Q: 102. Based on the amounts of starting materials used, a chemist calculates a possible yield of 51.3…

Q: Based on this acid-base reaction as written below, which of the following is correct about the roles…

A: According to Bronsted-Lowry theory: * Acid is a substance which donates a proton or a H+ ion and the…

Q: You are measuring the concentration of an unknown protein sample, and the absorbance at 595 nm (or…

A: To answer: what would be the best strategy to measure the concentration of your unknown (instead of…

Q: In this experiment, you will be running multiple trials, each with a TOTAL volume of 35 mL, but with…

A: Titration of sodium bicarbonate with acetic acid.

Q: Which of the following compounds is least acidic? * Br CH3-CH-COOH Option 3 CH3CH2COOH F CH3-CH-COOH…

Q: Chemistry There are 2.55 1015 short tons of oxygen in the atmosphere (1 short ton = 2000 lb). How…

A: Oxygen in the atmosphere = 2.55 × 1015 short tons. 1short ton = 2000 Ib 1metric Ton = 1000 kg…

Q: MgBr

Q: Directions: Read each item comprehensively and choose the letter of the correct answer. Use a…

Q: Balance the following chemical equations, making sure to apply the principle of the Law of…

Q: Cl, uv or heat D

A: In presence of sunlight ,chlorination take place at alpha position of benzene

Q: What is the total REDOX reaction for the following? (Basic Condition)

Q: Calculate Eº for the process PbI6) + e- → (s) + e > Pbs) + 21,

A: Given reaction is : PbI2 + e- <---------> Pb (s) + 2I2 Find standard cell potential = E0 = ?…

Q: CH3 1. DIBAH CH3CHCH2CH2CO2CH3 2. Нзо+ 1. .COCI CH3NH2 2.

Q: 1. Br2/H* 2. t-BUOK Br B Br O-Bu O D A C. D.

Q: Which of the following reagent best accomplish this transformation below? CH CH- CEC- A (1st) HCI,…

Q: Choose the correct IUPAC name with its correct functional group. 1. CH3COOCH3 2. C5H11COOH 3.…

Q: Is the formation of acid rain spontaneous or non-spontaneous at 50°C?

Q: Dot le empty (a)

A: Given: The Mass of weighing bottle and NaCl sample is 15.0081 g.Mass weighing bottle empty (g) is…

Q: H3C

A: Detail synthetic pathway is given below

Q: a. Calculate the mmoles of l created on the reaction? 103 + 3 + H2O Reaction: b. The triiodide…

Q: Why would Hinsberg's Test fail with this compound? Explain. HO.

Q: Please provide the reagents that will accomplish the following transformations. More than one…

Q: What is the molarity of a solution containing 100 moles of NaCl dissolved in 10 liters of water?

A: Given, moles of NaCl = 100 moles Note: assuming no change in the volume Volume of water = volume of…

Q: 5) Discuss the physical interpretation of any one Maxwell relation.

A: Maxwell equation describes How a electromagnetic field behaves in a generel medium. The main…

Q: Write the half-cell equations and cell reaction equation for the cell representation shown below and…

A: Here we have to write the cell reaction at each half electrodes and net cell reaction and to draw…

Q: What is the reason why carbon is considered a unique element Carbon has two stable isotopes, carbon…

A: Reason why carbon is considered a unique element- Carbon is unique among all the elements because it…

Q: A new amino acid has 2 carboxyl groups. the pka's of these groups are 2.18 and 5.02. The amino acid…

Q: What is the name of the product?

A: Detail mechanistic pathway is given below and the name of the product is also given below

Q: но. 1. HO 2. 3.

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Write the equilibrium expressions for the following balanced equations: a. 7H2 (e) + 2NO2 () 2NH3…

A: Write the equilibrium expressions of the given reactions----

Q: ind N/N at 2500 K.

Q: NaNO3 → NaNO2+ O2 C3H8 + 02- C02 + H2O Fe + H20 → H2 + Fe304

A: The balanced chemical equations are given below.... 7. Given reaction, NaNO3 ----> NaNO2 + O2…

Q: 1) Starting from the expression for the total differential dV in terms of T and p, show that…

A: Here we are required to find the following expression from the total differential dV in terms of…

Q: Which of the following two amides will react more readily with a nucleophile? NH Why? 2.

Q: Photo is only attached as reference.- What does the mass of the reactants and products tell us about…

Q: How much 1.0 M sodium bicarbonate

Q: Directions: Modlfied TRUE or FALSE. On the space before each number, write TRUE if the stater…

A: Amino acids are made up of one carboxyl group, one amino group and an alkyl group or hydrogen atom.

Q: a. Synthesize H3C" from ethyne. from Br C. Arrange in order of increasing acidity. Explain. b.…

A: In these questions, first two questions are synthesis in which we will synthesized the product from…

Q: OH :CH2 H3C H,C + A, В > H

Q: A chemist needs a solution buffered at pH 4.30 and can choose from the following acids: A.…

Q: true or false. There is nothing wrong with the reaction below

Q: Draw and name the eight isomeric alcohols with formula C5H12O.

A: The eight isomer of the alcohols are given below with their IUPAC name.

Question

Chemistry A 0.3500 g sample of impure KI is treated with 0.1942g of pure K2CrO4 and the solution is boiled to expel all of the liberated iodine. The cooled solution is then treated with excess KI and the liberated I2 titrated with 0.100N sodium thiosulfate, requiring 10.00ml. Find the percentage purity of the original sample of KI

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

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 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

A solid containing tris was dissolved in water and brought to a total volume of 50.00 ml. A 10.00 ml aliquot of the solution was titrated with 0.09978 M HCl to a bromcresol green endpoint. The aliquot consumed 38.93 ml of titrant. Calculate the weight of tris in the original sample.
Chromel is an alloy composed of nickel, iron and chromium.A 0.6472 g sample was dissolved and diluted to 250 mL. When a50 mL aliquot of 0.05182 M EDTA was mixed with an equal volumeof the diluted sample and all the three ions were chelated, a 5.11 mLback titration with 0.06241 M copper (II) was required.The chromium in a second 50 mL aliquot was masked through theaddition of hexamethylenetetramine, titration of the Fe and Nirequired 36.28 mL of 0.05182 M EDTA.Iron and chromium were masked with pyrophosphate in a third50 mL aliquot and the nickel was titrated with 25.91 mL of theEDTA solution.Calculate the percentage of nickel, chromium and iron in thealloy.
Calcium fluoride is considered as a relatively insoluble compound and therefore lime or slakedlime has been considered as a possible material to remove excess fluoride in water of boreholesin certain parts of the country. The solubility product of CaF2 is Ksp = 3 x 10 – 11 and that ofCa(OH)2 isKsp =8x10-61. How much lime can be added to the water to remove 10 mg of F- ion per litre ofborehole water?(The atomic masses are Ca: 40.08; F: 19.00; O: 16; H: 1)
A 0.1093-g sample of impure Na2CO3 was analyzed by the Volhard Method. After adding 50.00 mL of 0.06911 M AgNO3, the sample was back titrated with 0.05781 M KSCN, requiring 27.36 mL to reach the end point. Report the purity of Na2CO3sample.
1. A newly discovered iron ore was weighted (5.408 g) and worked up to produced 0.3785 g of ignited Fe2O3 precipitate. What is the percent purity of the iron in the sample? 2. Distinguish between equivalence point and end point.
A 1.250 g sample of cheese was subjected to KKjeldahl analysis to determine the amount of protein. the sample was digested and the nitrogen is oxidized to NH4+ and was then converted to NH3 with NaOH., and distilled into a collection flask containing 50.00 mL of .1050 M HCl. The excess HCl is back titrated with .1175M NaOH, this required 21.65 mL to reach the bromothymol blue endpoint. What is the reaction for the back titration for this analysis and the %N of cheese sample.
The sulfate in a247.1 mg sample was precipitated as BasO4 by addition of 25.00 mL of 0.03992 M BaCl2. The precipitate was removed by filtration and the remaining BaCl2 consumed 36.09 mL of 0.0217 M EDTA for titration to the Camalgite endpoint. Calculate the % SO3 in the sample.
Using basic conditions, MnO4- can be used as titrant for the analysis of Mn2+, with both the analyte and the titrant ending up as MnO2. In the analysis of a mineral sample for manganese, a 0.5165-g sample is dissolved, and the manganese is reduced to Mn2+. The solution is made basic and titrated with 0.03358 M KMnO4, requiring 34.88 mL to reach the endpoint. Calculate the %w/w Mn in the mineral sample. Answer: % Mn =
The amount of iron in a meteorite was determined by a redox titration using KMnO4 as the titrant. A 0.4185 -g sample was dissolved in acid and the liberated Fe3+ quantitatively reduced to Fe2+, using a reductor column. Titrating with 0.0051 M KMnO4 requires 23.44 mL to reach the end point. Determine the %w/w Fe2O3 in the sample of meteorite. (Fe = 55.845 amu, Fe2O3 = 159.69 g/mol
A 0.1093-g sample of impure Na2CO3 was analyzed by the Volhard method. After adding 50.00 mL of 0.06911 M AgNO3, the sample was back-titrated with 0.05781 M KSCN, requiring 27.36 mL to reach the endpoint. Report the purity of the Na2CO3 sample. [Ans. 90.9 % (w /w )]
A 20 ml aliquot of malonic acid solution was treated with 10.0 ml of 0.25M Ce4+ leading to the reaction CH2(COOH)2 + 6Ce4+ + 2H2O ® HCOOH + 2CO2 + 6Ce3+ + 6H+ After standing for 10 minutes at 60oC, the solution was cooled and the x’ss Ce4+ was titrated with 0.1M Fe2+, requiring 14.4 ml to reach the ferroin end point. Calculate the M of the malonic in the sample.
An antihistamine sample, brompheniramine maleate, weighing 5.01234 g was dissolved in alcohol and decomposed with metallic sodium. The resulting solution was treated with 12.00mL of 0.3121M AgNO3 to precipitate all of the liberated bromide ions as AgBr. The excess AgNO3 remaining in the solution was titrated with 9.123mL of 0.2181M KSCN to reach the endpoint. What is the %Br in the sample? Br- + Ag+ --> AgBr(s) Ag+ + SCN- --> AgSCN(s) Br = 79.904 g/mol