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A 5.0 g coal sample is given for analysis. After subjecting it to hot air oven at 107 oC for 1 hour, it lost 15% of its weight. Calculate the amount of moisture in the sample * RefuleN 0.15 g 0.75 g 0.30 g O None of the above

A 5.0 g coal sample is given for analysis. After subjecting it to hot air oven at 107 oC for 1 hour, it lost 15% of its weight. Calculate the amount of moisture in the sample * RefuleN 0.15 g 0.75 g 0.30 g O None of the above

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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A 5.0 g coal sample is given for analysis. After subjecting it to hot air oven at 107 oC for 1 hour, it lost 15% of its weight. Calculate the amount of moisture in the sample * Refulene 0.15 g 0.75 g 0.30 g None of the above The residual sample from problem above was further heated in a furnace at 700 oC for 1.5 hours. 0.60 g residue was obtained. Calculate the percentage of volatile matter in the sample. * 12 % 15 % 73 % O None of the above
Transcribed Image Text:A 5.0 g coal sample is given for analysis. After subjecting it to hot air oven at 107 oC for 1 hour, it lost 15% of its weight. Calculate the amount of moisture in the sample * Refulene 0.15 g 0.75 g 0.30 g None of the above The residual sample from problem above was further heated in a furnace at 700 oC for 1.5 hours. 0.60 g residue was obtained. Calculate the percentage of volatile matter in the sample. * 12 % 15 % 73 % O None of the above
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