Exactly 5.00-mL aliquots of a methanol solution containing an unknown amount of methamphetamine were measured into 50.00-mL volumetric flasks. The following volumes of a standard methanol solution of methamphetamine containing 2.000 ug/mL of methamphetamine were then introduced into each flask and the mixture was diluted to volume with 0.000, 0.500, 1.00, 1.50 and 2.00 mL of methanol. 1 uL of these solutions was then injected into a gas chromatograph and the following respective peak areas were measured: 326, 480, 641, 802, and 956 (all peak areas were x 103). Plot the dataUsing the plot from (a), calculate the concentration of methamphetamine in the unknown.Derive a least squares equation from the data.Calculate the concentration of methamphetamine from the equation in (c).

Step 1: Organize the DataHere's the data provided:Volumes of standard solution (mL): 0.000, 0.500,…

Answered: Exactly 5.00-mL aliquots of a methanol…

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Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter11: Properties Of Solutions

Section: Chapter Questions

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Exactly 5.00-mL aliquots of a methanol solution containing an unknown amount of methamphetamine were measured into 50.00-mL volumetric flasks. The following volumes of a standard methanol solution of methamphetamine containing 2.000 ug/mL of methamphetamine were then introduced into each flask and the mixture was diluted to volume with 0.000, 0.500, 1.00, 1.50 and 2.00 mL of methanol. 1 uL of these solutions was then injected into a gas chromatograph and the following respective peak areas were measured: 326, 480, 641, 802, and 956 (all peak areas were x 10³).

Plot the data
Using the plot from (a), calculate the concentration of methamphetamine in the unknown.
Derive a least squares equation from the data.
Calculate the concentration of methamphetamine from the equation in (c).

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