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Five gross samples were determined for a carload of limestone. The average percent Mgo values for the gross samples were found to be 49.53, 50.12, 49.60, 49.87, and 50.49. Meanwhile, the following results were obtained for the determination of magnesium in a NIST magnesia sample: %MgO = 50.33, 50.22, 50.36, 50.21, and 50.44. Calculate the relative standard deviation associated with the sampling step.

Five gross samples were determined for a carload of limestone. The average percent Mgo values for the gross samples were found to be 49.53, 50.12, 49.60, 49.87, and 50.49. Meanwhile, the following results were obtained for the determination of magnesium in a NIST magnesia sample: %MgO = 50.33, 50.22, 50.36, 50.21, and 50.44. Calculate the relative standard deviation associated with the sampling step.

Chemistry
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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Five gross samples were determined for a carload of limestone. The average percent MgO values for the gross samples were found to be 49.53, 50.12, 49.60, 49.87, and 50.49. Meanwhile, the following results were obtained for the determination of magnesium in a NIST magnesia sample: %MgO = 50.33, 50.22, 50.36, 50.21, and 50.44. Calculate the relative standard deviation associated with the sampling step.
Transcribed Image Text:Five gross samples were determined for a carload of limestone. The average percent MgO values for the gross samples were found to be 49.53, 50.12, 49.60, 49.87, and 50.49. Meanwhile, the following results were obtained for the determination of magnesium in a NIST magnesia sample: %MgO = 50.33, 50.22, 50.36, 50.21, and 50.44. Calculate the relative standard deviation associated with the sampling step.
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