Results and Discussion for Exp. 2

Results and Discussion for Exp. 2 - not show a distinct...

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Results and Discussion From the data, we were able to determine that as the temperature of the solution reached the lower boiling point of methanol, the volume of methanol in the receiving graduated cylinder increased. The ratio of methanol to water in the mixture is 20:6 (30 % methanol). This is determined by looking at our fractional distillation data and finding what the volume of methanol was before there was a drastic increase in temperature. Our estimated boiling point of methanol was about 64ºC. And our estimated boiling point of water is 100ºC. These values were almost exactly the same as the literature values. Fractional distillation is more efficient than simple distillation when trying to separate methanol and water. The data collected from our simple distillation did
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Unformatted text preview: not show a distinct difference between the boiling point of water and methanol. The Fractional distillation showed a dramatic increase in temperature which represented when the methanol finished distilling and the water began to distill. We were able to determine our estimated boiling points from this data more accurately. Simple distillation is more efficient when the two compounds in the binary mixture have at least a 100 degree difference in their boiling points. Methanol and water only had a 35 degree difference; therefore, fractional distillation was more efficient. Conclusion We determined that Fractional distillation was more efficient in separating/distilling the methanol-water mixture when compared to simple distillation....
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