identify one possible non human error in simple disllation experiment and explain how it would affect the boiling point
Added by Patricia C.
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g., the thermometer bulb is not in the vapor stream or is not at the same temperature as the vapor reaching the condenser, or the thermometer is miscalibrated/offset). Show more…
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Suggest two possible experimental error that may result in affecting the precise determination of the boiling point.
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Identify two possible experimental technique errors during distillation and describe the impact that each error would have on the final distillation results?
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DISCUSSION: We have already noted two sources of systematic error in the use of this method: not enough sample to displace all the air from the flask and the finite vapor pressure of the unknown. Consider the following possible errors: For each one, describe how the results might be impacted. Please try to be specific (e.g: "The molar mass will be overestimated because..."). a. The volume of your flask was found by weighing it, filled with water, at room temperature (20°C). At 100°C, because of the expansion of glass, the volume is slightly greater. How could this affect your results? b. We have assumed that the temperature of the vapor is the same as the temperature of the boiling water. What if this were not correct? c. What could be the impact if some the vapor leaks before all of it can be condensed?
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