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The peak area of the hydrocarbon mixture containing isooctane was determined to be 2.65. Based on this, the mole percent concentration of isooctane was found

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The peak area of the hydrocarbon mixture containing isooctane was determined to be 2.65. Based on this, the mole percent concentration of isooctane was found to be and the standard deviation in concentration, if the area of the mixture was the mean of four measurements, was Report all answers to two significant figures

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