To prepare the 5 ppm chloride standard solution you are required prepare a 100 cm³ stock solution of 1000 ppm chloride from the salt sodium chloride in a volumetric flask. Following this, you should dilute the stock solution to prepare 50 cm³ of an intermediate chloride solution containing 100 ppm of chloride. Finally you should prepare 50 cm³ of a 5 ppm working standard of chloride which you will use for analysis. Explain how you would prepare the three solutions required showing all the required calculations in full. (Note: atomic mass of sodium: 22.99 g/mol) Q 2(c) A mixture of three anions eluted as follows using a strong base anion exchanger: Anion Retention time 2.5 min 4.8 min 8.7 min CH Br SO Explain why the mixture eluted as shown in the table above based on the type of stationary phase used
To prepare the 5 ppm chloride standard solution you are required prepare a 100 cm³ stock solution of 1000 ppm chloride from the salt sodium chloride in a volumetric flask. Following this, you should dilute the stock solution to prepare 50 cm³ of an intermediate chloride solution containing 100 ppm of chloride. Finally you should prepare 50 cm³ of a 5 ppm working standard of chloride which you will use for analysis. Explain how you would prepare the three solutions required showing all the required calculations in full. (Note: atomic mass of sodium: 22.99 g/mol) Q 2(c) A mixture of three anions eluted as follows using a strong base anion exchanger: Anion Retention time 2.5 min 4.8 min 8.7 min CH Br SO Explain why the mixture eluted as shown in the table above based on the type of stationary phase used
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...
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![To prepare the 5 ppm chloride standard solution you are required prepare a 100 cm³
stock solution of 1000 ppm chloride from the salt sodium chloride in a volumetric flask.
Following this, you should dilute the stock solution to prepare 50 cm³ of an
intermediate chloride solution containing 100 ppm of chloride. Finally you should
prepare 50 cm³ of a 5 ppm working standard of chloride which you will use for analysis.
Explain how you would prepare the three solutions required showing all the required
calculations in full. (Note: atomic mass of sodium: 22.99 g/mol)
Q2(c)
A mixture of three anions eluted as follows using a strong base anion exchanger:
Anion
Retention time
CH
2.5 min
Br
SO
4.8 min
8.7 min
Explain why the mixture eluted as shown in the table above based on the type of
stationary phase used
[End of Question 2]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0b3dbb78-c918-42d6-82c9-855fa92c98ee%2F75c41207-5203-4e83-bffd-425be07e705c%2F80yl6tn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:To prepare the 5 ppm chloride standard solution you are required prepare a 100 cm³
stock solution of 1000 ppm chloride from the salt sodium chloride in a volumetric flask.
Following this, you should dilute the stock solution to prepare 50 cm³ of an
intermediate chloride solution containing 100 ppm of chloride. Finally you should
prepare 50 cm³ of a 5 ppm working standard of chloride which you will use for analysis.
Explain how you would prepare the three solutions required showing all the required
calculations in full. (Note: atomic mass of sodium: 22.99 g/mol)
Q2(c)
A mixture of three anions eluted as follows using a strong base anion exchanger:
Anion
Retention time
CH
2.5 min
Br
SO
4.8 min
8.7 min
Explain why the mixture eluted as shown in the table above based on the type of
stationary phase used
[End of Question 2]
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