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

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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: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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