Chemistry, 23.06.2019 17:20, rydro6915

1. list the number of drops of titrant needed to produce a color change for sample a and sample b. list the actual volume of titrant needed to produce a color change for sample a and sample b.

Answers: 1

Show answers

Similar questions

Chemistry, 22.06.2019 00:20, TamB01

Use the gizmo to find the concentration of the mystery ch3cooh. use the titrant and indicator shown below perform the titration. what is the titrant volume? titrant analyte indicator titrant volume analyte concentration naoh ch3cooh phenophthalein select one: a. 20.0 ml b. 27.0 ml c. 30.0 ml d. 24.0 ml

Answers: 2

continue

Chemistry, 25.09.2019 01:10, yehnerthannah

Imagine that someone provides you a 0.00487 m znso4 solution to titrate your edta titrant against. you pipette 25.00 ml of the znso4 solution into a beaker, 10.00 ml of ph=10 buffer solution, and add a few drops of eriochrome black t solution into a 150 ml beaker. you titrate it with the edta titrant that you prepared and visually identify the purplish-pink (fuchsia) colored end-point of the titration after titrating with 23.87 ml of your edta titrant. calculate and report the concentration of the edta titrant. note: this is the process you will follow for the standardization of your edta titrant in the laboratory. 6. into each of three erlenmeyer flasks or beakers, you pipet 15.00 ml of your unknown water sample, 5.00 ml of the ph=10 buffer solution you prepared, and a few drops of eriochrome black t indicator. you titrate the three samples to the purplish-pink (fuchsia) colored endpoint using the edta titrant with a concentration that you determined in q4 of this pre-laboratory assignment. for the three trials you reach the end-point after titrating with 16.21 ml, 16.15 ml, and 16.10 ml. calculate and report the sample mean, standard deviation, relative percent standard deviation, and 95% confidence interval for the calcium hardness of the sample in ppm - you can assume the density of solution to be 1.0 g/ml. 7. describe five examples for this milestone of how you will exhibit control over the chemical system in order to achieve a necessary and desired chemical outcome necessary for you to perform your analysis.

Answers: 1

continue

Chemistry, 04.10.2019 20:20, yesmi

Review the list of common titration errors. determine whether each error would cause the calculation for moles of analyte to be too high, too low, or have no effect. representation of a buret clamped to a ring stand. a funnel is in the top of the buret and a beaker is positioned underneath the buret. a solution is being poured from a bottle into the buret via the funnel. adding titrant past the color change of the analyte solution recording the molarity of titrant as 0.1 m rather than its actual value of 0.01 m spilling some analyte out of the flask during the titration starting the titration with air bubbles in the buret filling the buret above the 0.0 ml volume mark

Answers: 3

continue

Do you know the correct answer?

1. list the number of drops of titrant needed to produce a color change for sample a and sample b. l...

Questions in other subjects:

Spanish, 11.03.2020 18:27

Think of a physical activity that you enjoy (or used to enjoy). 1. If you were to use imagery to improve your performance as well as enhance the experience of your participation ho...

Mathematics, 11.03.2020 18:27

If p=-2 and q=-5, is the value of p/q equivalent to 2/5...

Health, 11.03.2020 18:27

A college student presents to the health care clinic with reports no bowel movement for four (4) days, bloating, and generalized abdominal discomfort. She states she has not been e...

Mathematics, 11.03.2020 18:27

A civil engineer is designing a public parking lot for the new town hall. The number of cars in each row should be six less than the number of rows in the lot. The mayor has reques...

History, 11.03.2020 18:27

Which of these words is a root word? a. beautiful b. happy c. thinnest d. uncomfortable...

History, 11.03.2020 18:27

In Congress under the Articles of Confederation each state got... A. 3 votes. B. A number of votes based on population. C. 1 vote. D. a number of votes based on the states wealth....

History, 11.03.2020 18:27

Which of the following can be determined using the information in the chart? whether Brazil or Cuba has higher Gross domestic productwhether the US or Cuba...

Mathematics, 11.03.2020 18:27

1. What is the exact value of sin(-pi/12)? 2. What are the solutions of the equation 2sin(4x)=1 on the interval [0,pi) ? 3. A 30-foot ramp is used to move product to a...

Business, 11.03.2020 18:27

The use of the lower of cost or net realizable value (LCNRV) method to value inventory for reporting purposes is a departure from the accounting principle of: Multiple Choice match...

Social Studies, 11.03.2020 18:27

The degree to which people in a society accept the idea that inequalities in the well-being of its citizens are due to differences in people's intellectual capabilities is known as...

Other tasks in the category: Chemistry More task