Cu Absorbance 1 Absorbance 2 Absorbance 3 Mean + SD standard (ppm) 0.0522 0.1013 1 0.0521 0.0520 0.1012 2 0.1011 3 0.1576 0.1578 0.1577 4 0.2119 0.2120 0.2121 5 0.2688 0.2681 0.2685 Unknown Absorbance 1 Absorbance 2 Absorbance 3 Mean + SD sample Water 0.1649 0.1648 0.1701 sample 1 (1:10 dilution) Cr Absorbance 1 Absorbance 2 Absorbance 3 Mean + SD standard (ppm) 1 0.0420 0.0419 0.0778 0.0425 2 0.0780 0.0779 3 0.1040 0.1043 0.1041 4 0.1368 0.1369 0.1372 0.1646 0.1647 0.1649 Unknown Absorbance 1 Absorbance 2 Absorbance 3 Mean + SD sample Tap Water sample 1 (1:20 dilution) 0.0488 0.0489 0.0501
Cu Absorbance 1 Absorbance 2 Absorbance 3 Mean + SD standard (ppm) 0.0522 0.1013 1 0.0521 0.0520 0.1012 2 0.1011 3 0.1576 0.1578 0.1577 4 0.2119 0.2120 0.2121 5 0.2688 0.2681 0.2685 Unknown Absorbance 1 Absorbance 2 Absorbance 3 Mean + SD sample Water 0.1649 0.1648 0.1701 sample 1 (1:10 dilution) Cr Absorbance 1 Absorbance 2 Absorbance 3 Mean + SD standard (ppm) 1 0.0420 0.0419 0.0778 0.0425 2 0.0780 0.0779 3 0.1040 0.1043 0.1041 4 0.1368 0.1369 0.1372 0.1646 0.1647 0.1649 Unknown Absorbance 1 Absorbance 2 Absorbance 3 Mean + SD sample Tap Water sample 1 (1:20 dilution) 0.0488 0.0489 0.0501
Chapter11: Properties Of Solutions
Section: Chapter Questions
Problem 109AE: Patients undergoing an upper gastrointestinal tract laboratory test are typically given an X-ray...
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Flame Atomic Absorption Spectroscopy (FAAS) method is selected due to its wide applicability for metal ion analysis in drinking water samples.
Provide appropriate discussion to determine the concentration of selected heavy metals (Cu and Cr) in the unknown tap water sample.
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