2. The content of sodium in a cooking salt substitute for a low-sodium diet can be determined by atomic emission spectroscopy using the addition standard calibration method. 10.07 g of sample are weighted and solved in 10 ml 1M HCI and 100 ml of water. This solution is transferred to a 250.0 mL volumetric flask and water is added to the mark. Calibration standards are prepared adding to 5 different 50.0 ml volumetric flasks, 25.0 ml of the sample solution, and 0, 1, 3, 5, and 8 ml respectively of a standard sodium solution. The standard sodium solution has been prepared by dilution up to 100.0 mL of 20.0 mL of another solution that contains 0.2501 g NaCl in 1.0 L of water. Instrumental responses are the following ones: Volume of sodium 1.0 3.0 5.0 8.0 standard (mL) Response (a.u.) 1.79 2.63 3.54 4.81 6.18 Provide the concentration of sodium in the cooking substitute expressed in mg Kg.

2. The content of sodium in a cooking salt substitute for a low-sodium diet can be determined by atomic emission spectroscopy using the addition standard calibration method. 10.07 g of sample are weighted and solved in 10 ml 1M HCI and 100 ml of water. This solution is transferred to a 250.0 mL volumetric flask and water is added to the mark. Calibration standards are prepared adding to 5 different 50.0 ml volumetric flasks, 25.0 ml of the sample solution, and 0, 1, 3, 5, and 8 ml respectively of a standard sodium solution. The standard sodium solution has been prepared by dilution up to 100.0 mL of 20.0 mL of another solution that contains 0.2501 g NaCl in 1.0 L of water. Instrumental responses are the following ones: Volume of sodium 1.0 3.0 5.0 8.0 standard (mL) Response (a.u.) 1.79 2.63 3.54 4.81 6.18 Provide the concentration of sodium in the cooking substitute expressed in mg Kg.

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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