Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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36
Experiment 4 Composition of a Mixture
2. a) A mixture of LIHCO3 and sand weighing 8,41 g is heated. After cooling, the residue
composed of LizCO3 and sand weighs 6.80 g. Assuming that the sand in the sample is unaf-
fected by the heat, calculate the mass loss due to the escape of gaseous CO2 and H;O.
b) Calculate the mass of LIHCO3 in the original mixture.
noltose noleiode
c) Calculate the mass of sand in the mixture.
Iom
d) Calculate the mass percent of LIHCO; in the mixture.
e) What must be the mass percent of sand in the mixture?
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Transcribed Image Text:36 Experiment 4 Composition of a Mixture 2. a) A mixture of LIHCO3 and sand weighing 8,41 g is heated. After cooling, the residue composed of LizCO3 and sand weighs 6.80 g. Assuming that the sand in the sample is unaf- fected by the heat, calculate the mass loss due to the escape of gaseous CO2 and H;O. b) Calculate the mass of LIHCO3 in the original mixture. noltose noleiode c) Calculate the mass of sand in the mixture. Iom d) Calculate the mass percent of LIHCO; in the mixture. e) What must be the mass percent of sand in the mixture?
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