From a 10-mL sample, a 1-mL aliquot was taken and diluted to 100mL. From this, a 5-mL aliquot was taken and diluted to 20mL. The final 20mL was found to have a concentration of 0.004M analyte X. What is the concentration of analyte X in the 10-mL sample?

From a 10-mL sample, a 1-mL aliquot was taken and diluted to 100mL. From this, a 5-mL aliquot was taken and diluted to 20mL. The final 20mL was found to have a concentration of 0.004M analyte X. What is the concentration of analyte X in the 10-mL sample?

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter8: Sampling, Standardization, And Calibration

Section: Chapter Questions

Problem 8.1QAP

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Question

From a 10-mL sample, a 1-mL aliquot was taken and diluted to 100mL.
From this, a 5-mL aliquot was taken and diluted to 20mL.
The final 20mL was found to have a concentration of 0.004M analyte X.
What is the concentration of analyte X in the 10-mL sample?

a.16 M

b.1.6 M

c.0.016 M

d.0.004 M

e.0.001 M

f.0.00001 M

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