1. Based on your knowledge on pKa, pH and ionisation describe a method whereby you can separate a solution containing: Sodium bicarbonate and ascorbic acid. 2. Briefly discuss why water is the liquid of choice in (1) car cooling systems and (2) in houses’ central heating systems. 3. Explain how to prepare standard solutions (5 ml each) of NaCl with the following concentrations: 10, 20, 30, 50, 70 ppm. The stock solution has a concentration of 0.05% w/v.
1. Based on your knowledge on pKa, pH and ionisation describe a method whereby you can separate a solution containing: Sodium bicarbonate and ascorbic acid. 2. Briefly discuss why water is the liquid of choice in (1) car cooling systems and (2) in houses’ central heating systems. 3. Explain how to prepare standard solutions (5 ml each) of NaCl with the following concentrations: 10, 20, 30, 50, 70 ppm. The stock solution has a concentration of 0.05% w/v.
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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1. Based on your knowledge on pKa, pH and ionisation describe a method whereby you
can separate a solution containing: Sodium bicarbonate and ascorbic acid.
2. Briefly discuss why water is the liquid of choice in (1) car cooling systems and (2) in
houses’ central heating systems.
3. Explain how to prepare standard solutions (5 ml each) of NaCl with the following
concentrations: 10, 20, 30, 50, 70 ppm. The stock solution has a concentration of 0.05% w/v.
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(10/1000000)x5x100 =0.005
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