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The first fraction was 100.0% hexane and 0.000% octane. The second fraction was 96.09% hexane and 3.910% octane. The third fraction was 8.070% hexane and 91.93% octane. The fourth fraction was 0.000% hexane and 100.0% octane. My group compared the results of other groups who were finding the percentages in the hexane and heptane sample, the results were different between the two samples. The first fraction of the hexane and heptane solution was 81.08% hexane and 18.92% heptane. The second fraction of the hexane and heptane solution was 58.54% hexane and 41.46% heptane. The third fraction of the hexane and heptane solution was 5.890% hexane and 94.11% heptane. The fourth fraction of the hexane and heptane solution was 0.000% hexane and 100.0%