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The accuracy of an instrument was tested by conducting a Reference Standard Material (RSM) experiment. A liquid RSM was prepared by dissolving X mg of phosphate (PO4) in a water sample. At the end of the experiment, the concentration of PO4 in the liquid RSM and the original water sample was recorded as 0.86 mg and 0.48 mg, respectively. The accuracy of the test was then determined as 88%. Calculate X, the amount of PO4 used

The accuracy of an instrument was tested by conducting a Reference Standard Material (RSM) experiment. A liquid RSM was prepared by dissolving X mg of phosphate (PO4) in a water sample. At the end of the experiment, the concentration of PO4 in the liquid RSM and the original water sample was recorded as 0.86 mg and 0.48 mg, respectively. The accuracy of the test was then determined as 88%. Calculate X, the amount of PO4 used

World of Chemistry, 3rd edition
World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter2: Matter
Section: Chapter Questions
Problem 21A
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Calculate X, the amount of PO4 used as RSM.
The accuracy of an instrument was tested by conducting a Reference Standard Material (RSM) experiment. A liquid RSM was prepared by dissolving X mg of phosphate (PO4) in a water sample. At the end of the experiment, the concentration of PO4 in the liquid RSM and the original water sample was recorded as 0.86 mg and 0.48 mg, respectively. The accuracy of the test was then determined as 88%. Calculate X, the amount of PO4 used
Transcribed Image Text:The accuracy of an instrument was tested by conducting a Reference Standard Material (RSM) experiment. A liquid RSM was prepared by dissolving X mg of phosphate (PO4) in a water sample. At the end of the experiment, the concentration of PO4 in the liquid RSM and the original water sample was recorded as 0.86 mg and 0.48 mg, respectively. The accuracy of the test was then determined as 88%. Calculate X, the amount of PO4 used
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