I wanted to know how calculate the percent completion Write-Up Sheet for Distill

Question

I wanted to know how calculate the percent completion

Write-Up Sheet for Distillation/Gas Chromatography Experiments DATA & ANALYSIS YOUR DATA Type of ditilltion performed: Simple disHllation (Attach your GC trace to this write-up sheet) Weights Temperature observed when. . . distillate0.H first distillate collected 12"C residue M.0 distillation discontinued Sample Composition (from GC resulis) % n-octane in distillate 48 , % n-octane in residue DATA OBTAINED FROM A COLLEAGUE WHO PERFORMED A DIFFERENT TYPE OF DISTILLATION Data obtained from: fractional dissllotion Weights Temperature ohserved when. . . distillate first distillate collected "As·S·C residue distillation discontinued 35 Sample Composition (from GC results) % n-octane in distillate 36. % n-octane in residue 13. SC. CALCULATIONS Determine the percent completion for both your distillation and your colleague's whose data you obtained. (In other words, what percent (by weight) of the octane/isooctane mixture was collected in the distillate vial? Show your calculations on the back. Your distillation Your colleague's

Explanation / Answer

Percent completion can be calculated by referring to your GC data,specifically, the area under the peak of the GC curve .The curve is between detector response and retention time.

Area =height* width at half-height of a peak=h*w1/2

%octane=(area of octane peak /total area)*100

Thus.Percent completion = % octane

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