Question 5Match the following redox titration methods to their corresponding titrants.✓ KMnO4 solution✓ 12 solutionNa2S2O3 solution✓ Starch solutionK2Cr2O7 solutionA. None of the aboveB. lodimetry MethodC. Dichromate MethodD. lodometry MethodE. Permanganate Method Question 3A solution of cupric nitrate of unknown concentration was analyzed against a standard of various concentrations. What is the slope of the standard curve from the given data?Table 1. Data for Standard Calibration CurveCupric nitrate Standard (mol/Liter)Absorbance at 625 nm0.000400.1120.000800.2950.001200.4430.001600.7010.002000.932O 0O 431.59O none of the aboveO 0.9899O 0.00155

Answered: Image /qna-images/answer/ea9575c0-a479-4aa1-baa8-12840472dc5d.jpg

Match the following redox titration methods to their corresponding titrants. KMnO4 solution Na2S2O3 solution ✓12 solution ✓ Starch solution K₂Cr2O7 solution A. None of the above B. lodimetry Method C. Dichromate Method D. lodometry Method E. Permanganate Method

Match the following redox titration methods to their corresponding titrants. KMnO4 solution Na2S2O3 solution ✓12 solution ✓ Starch solution K₂Cr2O7 solution A. None of the above B. lodimetry Method C. Dichromate Method D. lodometry Method E. Permanganate Method

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: 3.) What is the pH at the equivalence point for the titration of 50.0 mL 0.20 M nitrous acid by 0.20…

Q: 7. Select the diprotic acid as the analyte. a. What is the pH and volume of titrant at the first…

A: The objective of the question is to understand the titration process of a diprotic acid and…

Q: 1. What is the pH of a buffer that contains 1.100 M NH3 and 1.300 M NH4+? Ka= 5.70x10-10 What would…

A: As per our guidelines, we are supposed to answer only one question. Kindly repost other question as…

Q: 7. Define back-titration. What is the concept behind this method?

Q: Considering the graph given, what is the most suitable pH for the titration of calcium with EDTA?…

A: pH 10 buffer is used in EDTA titration because in EDTA Y4- is predominant, and we want Y4- to react…

Q: A base (B) that is dibasic is titrated with a strong acid. At what added volume (V) is the pH of the…

A: Equivalence point can be determined using equivalence point volume.

Q: The following are results from Part A of Lab 3. Identify the unknown metal cation Table 1:…

Q: Compare the two quantities based on the given condition: At the equivalence point in the titration…

A: At the equivalence point, all of the Ca2+(aq) is converted to CaY2-(aq).

Q: A sample containing one acid was analyzed by titration and pH titration curve with two sharp…

A: Given that, An acid was analyzed by titration and pH titration curve with two sharp equivalence…

Q: A sample contains unknown amount of Na2CO3 and NaHCO3 . The sample was titrated with 0.103 N HCl…

Q: Draw the structüre ire Draw a tiration curve for acetic acid if the pK, is 4.76. Use the attached…

A: a) Answer - According to the question - Structure of acetic acid - Acetic acid is an organic…

Q: Match the following titration methods to their corresponding end points.…

A: Match the following titration methods to their corresponding end points. Permanganate…

Q: 25 ml of 0.05M Hg2(NO3)2 was titrated with 0.06M KIO3 Hg2+2 + 2IO3- == Hg(IO3)2 Ksp= 1.3x10-18…

A: Given : Concentration of Hg2(NO3)2 = 0.05 M Volume of Hg2(NO3)2 solution taken = 25 mL = 0.025 L…

Q: Using the graph given, which metal can be titrated better with EDTA? A. Fe3 + B. Fe2 + C. Ca2 + D.…

A: pH 10 buffer is used in EDTA titration because in EDTA Y4- is predominant, and we want Y4- to react…

Q: QUESTION 16 Why is it important in the procedure that the buret be rinsed with a little of the 0.010…

A: To find: The reason for rinsing the burette before titration?

Q: Given the titration curve above, is Malonic acid a mono-, di- or triprotic acid? Explain your…

Q: 8. Which is correct: a) Zn-in is blue b) Free EDTA is red c) ZnY is colorless d) The Free EBT…

Q: lead to a negative percentage error in the determination of Ksp of Ca(OH)2?

A: Solubility can be decreased by common ion effect. To get negative percentage error in Ksp of Ca(OH)2…

Q: For the following solutions, estimate the buffer intensity (E) at a pH of 5. Which solution is the…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Using the graph given, which metal can be titrated better with EDTA? A. Fe3+ B. Fe2+ C. Ca2+ D.…

A: From the graph we clearly see that complex formation constant of Fe3+ is higher among all the given…

Q: 10. 10 mL of a river water sample containing an unknown concentration of Cu2+ is titrated with 0.1…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: At which point in the titration is weak acid the only major component of the mixture (i.e. there is…

A: At point A, no titrant is added to the weak acid. So, the only major component of the mixture is…

Q: Question 28 Match the following redox titration methods to their corresponding titrants. ✓ KMnO4…

A: Titration is the process in which concentration of a compound is determined in a solution of unknown…

Q: A solution contains 14.8 mmol of H3PO4 and 10 mmol of NaH2PO4. How many milliliters of 0.10 M NaOH…

A: 396 milliliters of 0.10 M NaOH must be added to reach the second equivalence point of titration of…

Q: Sodium tetraphenylboron is the titrant for what precipitimetric method?

A: Sodium tetraphenylboron [ (C6H5)4 B- Na+] is soluble in aqueous solution and form clear solution…

Q: This is the general mechanism of nucleophilic addition of aldehydes and ketones. H–Nu Nu: Nu-C-…

A: the progress of a reaction can be studied by the energy profile diagram of the reaction

Q: 10. A balloon that's inflated indoors and then taken outside on a cold day will: a. increase in…

A: Charles law:- For a fixed mass of a gas at constant pressure, volume of a gas increase…

Q: Q(2): In which of the following titration the medium must be acidic? Select one: a. Titration of…

A: As per the rules only the first question can be answered. In the first question (Q2) the different…

Q: 8. A solution is prepared by dissolving 0.020 moles of solid NaBr into 1.0 L of 0.020 M HBr. What…

A: Buffer solution is defined as the solution whose pH does not change by adding a small amount of acid…

Q: Calculate the titer values of the following for 1N H2SO4: a.KHCO3 b.K2CO3 c.CaCO3

A: The amount of acid neutralizes by the 1.0 mL of titrant solution is defined as the titer value. The…

Q: 30. You have the following bases and want to prepare a buffer solution with pH = 8.90. Which one do…

A: we want a base whose pKa ≅ pH. pKa + pKb = pH To get pKb, we simply perform the function −log10Kb,…

Q: made by mixing 600.0 mL of 0.10 M NH3 with 400.0 mL of 0.10 M NH4Cl. Kb is 1.8 x 10-5 a. What is the…

Q: 2. What is the importance of back titration? 3. During titration an end point supposed to be…

A: 2.

Q: You are going to analyze a substance with the following structure. What method will be best used?…

A: The solubility of a substance in a particular solvent to yield the solution depends on the nature of…

Q: solution containing 50.0 mL of 10 ‐ ² M Ca² + ions in the NH4 + / NH3 buffer whose pH is made to 9…

A: This is a method of quantitative estimation of concentration of unknown solution by titrating it…

Q: If you prepare a best buffer with pH 3.5, which of the following compounds you will use? a.…

A: Given: The pH of the buffer solution = 3.5 We have to find the best combination of substances…

Q: Which Titrations go with which graph?

Q: 5.Which substance would be the best buffer at pH 7.6 if it had to be able to buffer against either…

A: Answer:-This question is answered by using the simple concept of buffer solution and the spontaneity…

Q: In titration of H2SO4 with NaOH and using bromocresol green, there will be _____ endpoint(s) and…

A: Answer:- This question is answered by using the simple concept of titration of strong acid against…

Q: 5.0 mL of saturated borax solution requires 12.24 mL of 1.0 M HCI solution to titrate it. What is…

A: Given : Volume of Borax solution = 5.0 mL Volume of HCl = 12.24mL Molarity of HCl = 1.0M

Q: Calculate the molar concentration H3PO4 in a 25.00 ml cola drink, if the concentration of N2OH was…

A: The question is based on the concept of titrations. we have to calculate molarity of phosphoric acid…

Q: . NaI + Cl H2O + n hexane ------- _____________ bownish solution with dark violet layer on top…

A: It is a single displacement reaction. When NaI reacts with Chlorine, chlorine displaces iodine and…

Q: Question 8 Which titrimetry is refrerred to by the following v Uses permangante as its Titrant A.…

Q: 15. What is the molar solubility of Mg(OH)2 in an aqueous solution buffered at pH 12.2.(Solubility…

A: Answer: we have to calculate molar solubility of Mg(OH)2 if ksp is given Explanation: Mg(OH)2 ->…

Q: What is the ratio of [A] / [HA] for a buffer solution of HA with a pH of 7 if the pka = 5 for HA? O…

Q: What is the pH in titradon of 100 ml 0.01M benzoic acid with 0.02 M NAOH after addition of 10 ml…

Q: Consider the list of acids and their pKa values attached What mass ratio of sodium salt to acid is…

A: The molar ratio of NaCN and HCN buffer is calculated by using the Henderson Hasselbalch equation,

Question

100%

Question 3
A solution of cupric nitrate of unknown concentration was analyzed against a standard of various concentrations. What is the slope of the standard curve from the given data?
Table 1. Data for Standard Calibration Curve
Cupric nitrate Standard (mol/Liter)
Absorbance at 625 nm
0.00040
0.112
0.00080
0.295
0.00120
0.443
0.00160
0.701
0.00200
0.932
O 0
O 431.59
O none of the above
O 0.9899
O 0.00155

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 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

find the amount of bufters and water nee ded to made 100 mL of 3X buffer of this bufter 1 x burfer stock 0.5 1.2 M 200 1.5 M 2 mg /L histi dine 10 giZ 0.17 SDS 40 1. SDS
4. Determine the weight of pure urea in a 500 mg sample if 15.35 ml of 0.4967N NaOH were required in the titration after the ammonia from the sample had been distilled into 50.0 ml of 0.4861N H2SO4.
9. The titrant in the complexometric method is: A) Nitrilotriacetic acid B) Ethylenediamine triacetic acid B) Ethylenediaminetetraacetic acid D) Disodium salt of ethylenediamitetraacetic acid E) Diaminocyclohexanetetraacetic acid
2-Methylbutanoic acid is a weak organic acid that exists as two different optical isomers. One has a sweet, fruity odour, and the other has a cheesy, sweaty odour. Like other small carboxylic acids, it is used to make pleasant smelling esters that are used in perfumes, cosmetics, and food additives. (5)-2-methylbutanoic (RI-2-methylbutanoic acid acid The K, of 2-methylbutanoic acid is 1.58 x10-.
What color change did you observe upon adding 1 M HCl to the chromate solution? What doesthis color change indicate?What color change did you observe upon adding 1 M NaOH to the chromate/dichromatesolution? What does this color change indicate?
4. Out of the following metallic cations in solution, which would precipitate last when Na2S(s) is added to the solution? a. Cd²+ b. Mn2+ c. Hg2+ d. Pb²+ e. Fe2+
Use the titration data below to answer the following questions regarding the titration of an unknown acid with sodium hydroxide. a.)How many acidic protons are present in this unknown acid? b.For the volume change between 8 and 9 mL, what is the value of the first derivative (dpH/dV)? c.) What is the pKa1 for this unknown acid?
11
6.) Using the data in this graph: 12 What is the equivalence point? b. What is the half-way point of the titration? c. What is the pH at the half- way point? d. What is the pka? What is Ka for the acid Volume Base (mL) e. being used?
please solve question 9. analytical chemistry
Tony is showing a bacterium having high pH requirement for its growth. He then has to prepare a minimal medium at pH 9. Adding 0.5 ml of the pH indicator to 10 ml of the medium, the solution remained colorless. The pH of the medium was adjusted using 2.25 ml of the 0.05 N titrant. a. What was the pH indicator utilized? b. What is the amount of 1 N titrant needed to adjust 150 ml of minimal medium to pH 9? c.What was the titrant he used?
Using the Henderson–Hasselbalch equation calculate the pH. Decide which is the acid and which is the base and use this information to look for the dissociation constant for the acid to determine the pKa.