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29. Solving a chemistry problem
Uploaded:
20.04.2023
Content: 25.rar 16,19 kB
Content: 25.rar 16,19 kB
Product description
25. A blood serum sample is analyzed for potassium content by flame emission spectroscopy using a standard additive. To two aliquots of 5.00 ml was added 5.00 ml of water. An additional 10.0 µl of 0.05 M KCl solution was added to one portion. The emission signals in arbitrary units are 32.1 and 58.6, respectively. What is the serum potassium concentration? Answer: 1.21 * 10-3 mmol / ml.
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