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The nitrogen content of an impure laboratory reagent labelled (NH4)2Ce(NO3)6 was analyzed by precipitating this compound, (NH4)2Ce(NO3)6 (308.172), which weighed 0.5432 g from a 1.0000 g sample. What is the mass of nitrogen (14.007) in the sample? O 0.04938 g O 0.07407 g O 0.1481 g O 0.1975 g

The nitrogen content of an impure laboratory reagent labelled (NH4)2Ce(NO3)6 was analyzed by precipitating this compound, (NH4)2Ce(NO3)6 (308.172), which weighed 0.5432 g from a 1.0000 g sample. What is the mass of nitrogen (14.007) in the sample? O 0.04938 g O 0.07407 g O 0.1481 g O 0.1975 g

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
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The nitrogen content of an impure laboratory reagent labelled (NH4)2Ce(NO3)6 was analyzed by precipitating this compound, (NH4)2Ce(NO3)6 (308.172), which weighed 0.5432 g from a 1.0000 g sample. What is the mass of nitrogen (14.007) in the sample? 0.04938 g O 0.07407 g O 0.1481 g O 0.1975 g Determination of ash content is part of the proximate analysis in food laboratories which provides a measure of the total amount of minerals in the food sample. A 1.068 g as received representative sample of "tunsoy", salted fish. Before ignition, moisture was determined to be 5.65%. After ignition, the ashed sample registered 0.2685 g (ashed sample + crucible). The constant weight of crucible was 0.0178 g. From the data given, calculate % ash in the as received sample. 23.5% 25.1% 24.9% cannot be determined O 24.9% O cannot be determined O 25.1% O 23.5 %
Transcribed Image Text:The nitrogen content of an impure laboratory reagent labelled (NH4)2Ce(NO3)6 was analyzed by precipitating this compound, (NH4)2Ce(NO3)6 (308.172), which weighed 0.5432 g from a 1.0000 g sample. What is the mass of nitrogen (14.007) in the sample? 0.04938 g O 0.07407 g O 0.1481 g O 0.1975 g Determination of ash content is part of the proximate analysis in food laboratories which provides a measure of the total amount of minerals in the food sample. A 1.068 g as received representative sample of "tunsoy", salted fish. Before ignition, moisture was determined to be 5.65%. After ignition, the ashed sample registered 0.2685 g (ashed sample + crucible). The constant weight of crucible was 0.0178 g. From the data given, calculate % ash in the as received sample. 23.5% 25.1% 24.9% cannot be determined O 24.9% O cannot be determined O 25.1% O 23.5 %
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