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Unformatted text preview: Michele Chan 2211L Adna Muliawan Results Mass: 0.598g of 1:1:1 mixture Methychloride: 10ml Mass of Benzocaine: 0.135g Mass of Benzoic acid: 0.090g Mass of Fluorenona: 0.156g Melting point of bezocaine: 78 degrees Celcius Melting point of Benzoic acid: 110 degrees Celcius Melting point of Fluorenona: 75-79 degrees Celcius Percent recovery for Benzocaine: (0.135g/0.598g) x 1 00 = 22.6% or (0.135g/0.598g/3) x 1 00 = 67% Percent recovery for Benzoic acid: (0.090g /0.598g) x 1 00 = 15.0% or (0.090g/0.598g/3) x 1 00 =45% Percent recovery for Fluorenone : (0.156g /0.598g) x 1 00 = 26.1% or (0.135g/0.598g/3) x 1 00 =78% Discussion Looking at the percent recovery for the three component mixture, we had the least for Benzoic acid as the other two were at least close in range to each other. The acidic component was where we had the most difficulty, I believe that we did not thoroughly separate the layers properly and some of the organic layer made its way into the aqueous layer, as our aqueous layer...
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- Fall '07
- Organic chemistry