Question
The equation of the calibration curve is A=0.026C (ppm P). The absorbance for your original unknown sample was 0.257. A 25.00 mL aliquot sample of
The equation of the calibration curve is A=0.026C (ppm P). The absorbance for your original unknown sample was 0.257. A 25.00 mL aliquot sample of the unknown is spiked with 100 L (0.100 mL) of the stock P solution with a concentration of 1,963.7 ppm P. Assume the total volume remains constant. The absorbance is measured again to be 0.395. Calculate the % Spike recovery to 2 decimal places.
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Elementary Principles of Chemical Processes
Authors: Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
4th edition
978-1118431221, 9781119192138, 1118431227, 1119192137, 978-1119498759
