An empty evaporating dish weighs 20.000 g. An unknown mixture containing Fe, NaCl, and SIO2 is dded to the dish and the dish and mixture together weigh 35.000 g. The mixture is then stirred horoughly with a magnet which is then removed, and the dish and remaining mixture weigh 29.550 1. After the extraction with several portions of water and drying the remaining solid, the dish and the emaining solid weigh 27.680 g. Calculate the mass and mass percent of Fe, NaCI, and SiO2 in this ample. Show all your work.
An empty evaporating dish weighs 20.000 g. An unknown mixture containing Fe, NaCl, and SIO2 is dded to the dish and the dish and mixture together weigh 35.000 g. The mixture is then stirred horoughly with a magnet which is then removed, and the dish and remaining mixture weigh 29.550 1. After the extraction with several portions of water and drying the remaining solid, the dish and the emaining solid weigh 27.680 g. Calculate the mass and mass percent of Fe, NaCI, and SiO2 in this ample. Show all your work.
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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Transcribed Image Text:An empty evaporating dish weighs 20.000 g. An unknown mixture containing Fe, NaCl, and SiO2 is
added to the dish and the dish and mixture together weigh 35.000 g. The mixture is then stirred
thoroughly with a magnet which is then removed, and the dish and remaining mixture weigh 29.550
g. After the extraction with several portions of water and drying the remaining solid, the dish and the
remaining solid weigh 27.680 g. Calculate the mass and mass percent of Fe, NaCI, and SiO2 in this
sample. Show all your work.
2-2
ment 2 Separation of a Mixture
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