November 29, 2015

Homework Help: Chem

Posted by Mikal on Wednesday, March 19, 2008 at 1:34am.

Could you check my answers and if wrong, suggest the right one.

1. In gas chromatography, two measurements are made. Identify the qualitative and quantitaive measurements.

dye color and retention time

2. Why are components such as polymers like starch and cellulose unsuited to identification using GC?

long chains of insoluble substances

3. In a mixture of the alcohols ethanol C2H5OH, propanol, C3H7OH and butanol C4H9OH, which would you expect to emerge first from the Gc column. Give reasons for your answer.

ethanol because it has the smallest molecular mass out of the three

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