1)What is the concentration of the final diluted solution in mcg/mL?(1 decimal) 2) What volume of the diluted solution is required to prepare 100 mL of a 8 mcg/mL standard solution? (1 decimal)

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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During an assay of paracetamol by UV an analyst prepares a series of calibration solutions containing approximately 3-15 mcg/mL paracetamol as follows:

140.1 mg of pure paracetamol was added to a 200 mL volumetric flask.  

0.1 M NaOH (50 mL) was added, the mixture well shaken and made up to volume with deionized water

10 mL of the above solution was diluted to 100 mL

 

1)What is the concentration of the final diluted solution in mcg/mL?(1 decimal)

2) What volume of the diluted solution is required to prepare 100 mL of a 8 mcg/mL standard solution? (1 decimal)

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