2. Calculate the volume needed (in uL) for making the following four standard solutions (10 mL each) from 1% (w/w; ~10 mg/mL) stock solutions of n-decane (C10), n-undecane (C11) and n- dodecane (C12) in hexane. n-decane (C10) n-undecane (C11) n-dodecane (C12)

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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2.
Calculate the volume needed (in uL) for making the following four standard solutions (10 mL
each) from 1% (w/w; ~10 mg/mL) stock solutions of n-decane (C10), n-undecane (C11) and n-
dodecane (C12) in hexane.
n-decane (C10)
n-undecane (C11)
n-dodecane (C12)
Stock
Stock
Stock
Sample
Concentration
Concentration
Concentration
solution
solution
solution
(ppm)
(ppm)
(ppm)
Volume (uL)
Volume (µL)
Volume (uL)
Standard 1
100
150
150
Standard 2
100
100
100
Standard 3
100
50
50
Standard 4
100
10
10
Transcribed Image Text:2. Calculate the volume needed (in uL) for making the following four standard solutions (10 mL each) from 1% (w/w; ~10 mg/mL) stock solutions of n-decane (C10), n-undecane (C11) and n- dodecane (C12) in hexane. n-decane (C10) n-undecane (C11) n-dodecane (C12) Stock Stock Stock Sample Concentration Concentration Concentration solution solution solution (ppm) (ppm) (ppm) Volume (uL) Volume (µL) Volume (uL) Standard 1 100 150 150 Standard 2 100 100 100 Standard 3 100 50 50 Standard 4 100 10 10
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