32. Solution to Chemistry Problem
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Product description
- Cis-1,2-dichloroethylene in vinylidene chloride was determined by gas chromatography using toluene as an internal standard, and the following data were obtained for the calibration graph:
Sx/St 0.72 0.90 1.08 1.28
w,% 0.5 1 1.5 2
Calculate the mass fraction (%) of cis-1,2-dichloroethylene in the sample using the following data on the peaks of the determined and standard substance (assume k = 1)
Peak cis-1,2-dichloroethylene Peak toluene
Base Height Base Height
18 35 15 52
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