3. Calculate the percentage composition of the gas mixture using the following data obtained by gas chromatography of this mixture:
Option No. 3
Gas S, mm2 k
Propane 300 1.13
Butane 211 1.11
Pentane 198 0.69
Cyclohexane 28 0.85
Propylene 11 0.65
S – chromatogram peak area, mm2; k – correction factor.

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