Question: H 2 S(aq) can be analyzed by titration with coulometrically generated I 2 . H 2 S + I 2 + S(s) + 2H

H2S(aq) can be analyzed by titration with coulometrically generated I2.

H2S + I2 → + S(s) + 2H+ + 2I-

To 50.00 mL of sample were added 4 g of KI. Electrolysis required 812 s at 52.6 mA. Calculate the concentration of H2S (μg/mL) in the sample.

Step by Step Solution

★★★★★

3.54 Rating (182 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

2F I 2 2e one mole of I2 is created when two moles of ... View full answer

blur-text-image
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)

Word file Icon

878-E-C-E-E-C (2116).docx

120 KBs Word File

Students Have Also Explored These Related Chemical Engineering Questions!

Q:

The experiment in Figure 16-8 required 5.32 mA for 964 s for complete reaction of a 5.00 mL aliquot of unknown cyclohexene solution. (a) How many moles of electrons passed through the cell? (b) How...

Q:

According to the theorem of superposition, the response (current) in a circuit is proportional to the stimulus (voltage) that causes it. This is true even if there are multiple sources in a circuit....

Q:

Cesium ion does not form a strong EDTA complex, but it can be analyzed by adding a known excess of NaBiI4 in cold concentrated acetic acid containing excess NaI. Solid Cs3Bi2I9 is precipitated,...

Q:

Procedures Experiment 1: Standardize the Iodine Solution Part 1: Prepare the Materials Take a 100 mL volumetric flask from the Containers shelf and place it on the workbench. Take ascorbic acid from...

Q:

Procedures Experiment 1: Standardize the Iodine Solution Part 1: Prepare the Materials Take a 100 mL volumetric flask from the Containers shelf and place it on the workbench. Take ascorbic acid from...

Q:

PLEASE COMPLETE NO LATER THAN 11/04 @8am Each question(1,2,& 3) must be a minimum of 200 words. Please EXPLAIN answers in FULL detail and make answers knowledgeable based off the attached reading,...

Q:

Help with Cost Accounting Problem 1 Crede Manufacturing Company uses a standard cost accounting system. In 2005, 33,000 units were produced. Each unit took several pounds of direct materials and 113...

Q:

Read the case Hi Ho Silver at the end of Chapter 4 (I Included the relevant pages to answer this assignment at the bottom) After reviewing the case information, write a 2 to 3-page paper where you...

Q:

IOE 419 Mark S. Daskin Service Operations Management IOE Department Winter, 2017 University of Michigan Problem set 4 DUE: MONDAY - February 20, 2017 Points: 100 points total Problem 1: Babette has...

Q:

It appears that because of COVID limitations, data was collected virtually through phone, email, and surveys with a population that may have barriers to those methods of data collection. How do you...

Q:

If Harry becomes a tennis superstar with big earnings from tennis, what happens to his PPF, MB curve, and his efficient time allocation?

Q:

Samuel is the sole share trader, director and employee of company. Samuel's company owns and hires out a digger and truck. The business rents the digger and truck out at a fixed rate per hour. The...

Q:

20. What is the sum of each pair of hexadecimal integers? a. 7C4 3BE b. B69 7AD

Q:

A Service-provider creates a Project Charter based on their Initial Review of the RFP. A) _TRUE_ B) _FALSE_ ANSWER: A

Q:

How does a trigonal pyramid differ from a tetrahedron so far as molecular geometry is concerned?

Q:

Describe the bond angles to be found in each of the following molecular structures: (a) Planar trigonal, (b) Tetrahedral, (c) Octahedral, (d) Linear.

Q:

(a) What is meant by the term electron domain? (b) Explain in what way electron domains behave like the balloons in Figure 9.5.Why do they do so? Two balloons linear orientation Three balloons...

Q:

1. Empirical evidence about the link between deposit insurance and banking crisis found that: A. Deposit insurance always decrease the chance of a banking crisis B. Deposit insurance always increase...

Q:

Assume that the firm invests $75,600 today to get $14,500 at Year 1 (i.e. one year from now), $22,000 at Year 2, $15,700 at Year 3, $30,000 at Year 4, \$19,500 at Year 5, \$19,370 at Year 6. What's...

Q:

Starkey Percussion, Inc., is a well-established supplier of fine percussion instruments to orchestras all over the United States. The companys class A common stock has paid a dividend of $7.25 per...