A 100 0 mL solution of 0 0500 M Mn buffered to pH 9 00 was titrated with 0 0500 M EDTA (a) What is the equivalence volume, Ve, in milliliters (b) Calculate the concentration of Mn at V 1 2 Ve (c) What fraction ( 4 ) of free EDTA is in the form 4 at pH 9 00 (d) The formation constant (Kf) is (10)12 00 Calculate the value of the conditional formation constant Kf '( 4 Kf) (e) Calculate the concentration of Mn at V Ve (f) What is the concentration of Mn at V 1 100 Ve

Question: A 100.0 mL solution of 0.0500 M Mn buffered to pH 9.00 was titrated with 0.0500 M EDTA. (a) What is the equivalence volume, Ve,

A 100.0 mL solution of 0.0500 M Mn buffered to pH 9.00 was titrated with 0.0500 M EDTA.
(a) What is the equivalence volume, Ve, in milliliters?
(b) Calculate the concentration of Mn+ at V = 1/2 Ve+.
(c) What fraction (α γ4-) of free EDTA is in the form γ 4- at pH 9.00?
(d) The formation constant (Kf) is (10)12.00. Calculate the value of the conditional formation constant Kf'(= α γ4-Kf)
(e) Calculate the concentration of Mn+ at V = Ve+.
(f) What is the concentration of Mn+ at V = 1.100 Ve?

Step by Step Solution

★★★★★

3.39 Rating (180 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a b c d e f mmol EDTA mmol Mr Ve 00500M 1000 mL 0500 M Ve 1000 mL Mn fraction ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

878-E-C-E-E-C (1968).docx

120 KBs Word File

Students Have Also Explored These Related Chemical Engineering Questions!

A 50.0-mL solution of 0.0319 M benzylamine was titrated with 0.0500 M HCl. Calculate the pH at the following volumes of added acid: Va = 0,12.0, Ve 30.0, Ve, and 35.0 mL.

A 10.0-mL solution of 0.050 0 M AgNO 3 was titrated with 0.025 0 M NaBr in the cell S.C.E. 7 || titration solution | Ag(s) Find the cell voltage for 0.1 and 30.0 mL of titrant.

A 25.0-mL solution of 0.100 M CH3COOH is titrated with a 0.200 M KOH solution. Calculate the pH after the following additions of the KOH solution: (a) 0.0 mL, (b) 5.0 mL, (c) 10.0 mL, (d) 12.5 mL,...

All of it please Student name: Q1:Chose the correct answer from the following 1 - How many grams of sodium acetate will adue to sumcient amount of solution of acetic acid to makin 100 ml of buffer...

I need help answering these problem! they are calibration curves for internal standard and standard addition and external standard additions problems for quantitative chemical analysis. please help!...

An organic compound with a molecular mass of 236.5 g/mol was dissolved in a 10.00 mL volumetric flask (Solution 1). A 1.00 mL aliquot of this solution was pipetted into a 25.00 mL volumetric flask,...

lab experiment question. Part 1: Preparation of the EDTA Solution Step 2: Calculate the mass (in g) of disodium ethylenediaminctetraacetate, Na C10H40 N, 2H-0 (EDTA solute), required to prepare a...

If you have 155 ml solution of a 0.762 M FeCls solution, how many moles of FeCls are contained in this sample? ml solution 1 Lsolution = 0.118 mol FeCl3 155 L solution 1000 ml solution 155 mL...

In some cases, the titration curve for a mixture of two acids has the same appearance as that for a single acid; in other cases it does not. (a) Sketch the titration curve (pH versus volume of...

Solve. Select all that apply. A medication with a solution strength of 9 % contains. Select all that apply. A. 1 g of medication per 9 mL solution B. 9 mg of medication per 100 mL solution C. )9 g of...

Communication Process: Avoiding Misunderstanding Communication is not successful unless the receiver understands the message as the sender meant it. Your Task. Analyze the following examples of...

B. What is the probability that none of the three orders will be filled correctly? C. What is the probability that at least two of the three orders will big filled correctly? D. What are the mean and...

39. LO.6 Barbara, a calendar year taxpayer, owns and operates a company that manufactures toys. For 2012, she has modified AGI of $600,000 and QPAI of $550,000. Ignoring the W2 wage limitation,...

The main Outputs of the Control Scope Process are: A) An updated version of the Project Management Plan. Particularly its subsidiary Scope Management Plan, Schedule Baseline, Cost Baseline,...

Find the minimum angle i for total reflection in the optical fiber in Figure 19-20 if the index of refraction of the cladding is 1.400 and the index of refraction of the core is (a) 1.600 or (b)...

The prism shown here is used to totally reflect light at a 90 angle. No surface of this prism is silvered. Use Snell's law to explain why total reflection occurs. What is the minimum refractive index...

Here is an extremely sensitive method for measuring nitrite (NO2-) down to 1 nM in natural waters. The water sample is treated with sulfanilamide and N-(1 naphthylethylenediamine) in acidsolution to...

Beta of a project. Vespucci is adding a project to the compary portfolio and has the folfowing information: the expectod markot retum is 13.2%, the risk-free rate is 6.4 the, and the expected retum...

QUESTION 9 Oscar Company's master budget forcasted that 30,000 units would be sold at a price of $30 per unit. Actual results were 28,000 units sold at a price of $31.50 per unit. The flexible budget...

5. Using percentage of sales based proforma method, construct new Income statement, Balance sheet for year 2019, and find out the AFN amount. Assume sales increase by 20% in 2019. Currently, a firm...