Accurately prepare a 50cm stock solution of (approx.) 0.003M potassium permanganate solutic Very Important;- Before proceeding with the preparation of this permanganate standard, discu your calculations with the demonstrator. Calculate the weight of potassium dichromate required to prepare 50cm of a 0.015M stock solution and confirm your calculation with the demonstrator. Note;- Solid potassium dichromate will not be handled or weighed by the students during this experiment but instead and as an added safety step, will be provided in solution form. Dispense from a burette 1, 2, 3, 4 & 5cm' of the permanganate solution into five separate 50cm volumetric flasks and prepare to the mark with distilled water. Calculate the Molarity of each of the 5 solutions. Repeat this procedure for the provided standard dichromate stock solution, calculating the Molar concentrations as before.
Accurately prepare a 50cm stock solution of (approx.) 0.003M potassium permanganate solutic Very Important;- Before proceeding with the preparation of this permanganate standard, discu your calculations with the demonstrator. Calculate the weight of potassium dichromate required to prepare 50cm of a 0.015M stock solution and confirm your calculation with the demonstrator. Note;- Solid potassium dichromate will not be handled or weighed by the students during this experiment but instead and as an added safety step, will be provided in solution form. Dispense from a burette 1, 2, 3, 4 & 5cm' of the permanganate solution into five separate 50cm volumetric flasks and prepare to the mark with distilled water. Calculate the Molarity of each of the 5 solutions. Repeat this procedure for the provided standard dichromate stock solution, calculating the Molar concentrations as before.
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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can someone calculate the 10 concentrations please ?
Transcribed Image Text:. Accurately prepare a 50cm stock solution of (approx.) 0.003M potassium permanganate solution
Very Important;- Before proceeding with the preparation of this permanganate standard, discuss
your calculations with the demonstrator.
Calculate the weight of potassium dichromate required to prepare 50cm³ of a 0.015M
stock solution and confirm your calculation with the demonstrator.
Note;- Solid potassium dichromate will not be handled or weighed by the students during this
experiment but instead and as an added safety step, will be provided in solution form.
2. Dispense from a burette 1, 2, 3, 4 & Scm of the permanganate solution into five separate 50cm’
volumetric flasks and prepare to the mark with distilled water. Calculate the Molarity of each of
the 5 solutions. Repeat this procedure for the provided standard dichromate stock solution,
calculating the Molar concentrations as before.
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