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Unformatted text preview: e boiling point of the liquid, the tube only contains the vapor molecules (red dots) at a pressure equal to the pressure in the room. 100oC
heat using a boiling water bath 3 Determine when all the liquid has evaporated.
• Watch the liquid level as you lower it into the boiling water. Some unknown may condense in the capillary tube and spurt out as the rest is evaporating. This is normal. – Watch the rate at which it evaporates.
– Estimate when you think it has fully evaporated.
– Wait about 5 more minutes and remove it from the boiling water. Do not pull it out of the water to check during this process – the vapor will condense as soon as you pull it out of the water and air will enter. Your results will be...
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- Fall '06