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6. In a flame spectrometric determination of sodium, lithium is used as an internal standard. Assume the spectrum of a standard solution that contains 2.00 ppm Na and 100 ppm Li shows two peaks with intensities of Ina= 4.22 and I= 9.24, respectively. An unknown sample solution that also contains 100 ppm Li gives two peaks with intensities of Ina = 6.16 and Iu= 8.24, respectively. Calculate the concentration of Na in the unknown sample in ppm. А. 3.08 рpm В. 6.16 рpm C. 4.22 ppm D. 3.27 ppm Е. 12.1 ppm

6. In a flame spectrometric determination of sodium, lithium is used as an internal standard. Assume the spectrum of a standard solution that contains 2.00 ppm Na and 100 ppm Li shows two peaks with intensities of Ina= 4.22 and I= 9.24, respectively. An unknown sample solution that also contains 100 ppm Li gives two peaks with intensities of Ina = 6.16 and Iu= 8.24, respectively. Calculate the concentration of Na in the unknown sample in ppm. А. 3.08 рpm В. 6.16 рpm C. 4.22 ppm D. 3.27 ppm Е. 12.1 ppm

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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6. In a flame spectrometric determination of sodium, lithium is used as an internal standard. Assume the spectrum of a standard solution that contains 2.00 ppm Na and 100 ppm Li shows two peaks with intensities of Ina= 4.22 and IL= 9.24, respectively. An unknown sample solution that also contains 100 ppm Li gives two peaks with intensities of Ina = 6.16 and I= 8.24, respectively. Calculate the concentration of Na in the unknown sample in ppm. А. 3.08 ppm В. 6.16 рpm C. 4.22 ppm D. 3.27 ppm Е. 12.1 ppm
Transcribed Image Text:6. In a flame spectrometric determination of sodium, lithium is used as an internal standard. Assume the spectrum of a standard solution that contains 2.00 ppm Na and 100 ppm Li shows two peaks with intensities of Ina= 4.22 and IL= 9.24, respectively. An unknown sample solution that also contains 100 ppm Li gives two peaks with intensities of Ina = 6.16 and I= 8.24, respectively. Calculate the concentration of Na in the unknown sample in ppm. А. 3.08 ppm В. 6.16 рpm C. 4.22 ppm D. 3.27 ppm Е. 12.1 ppm
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