Chemistry, 20.12.2019 20:31 Brainly264
Suppose caffeine has a partition coefficient of 2.5 between dichloromethane and water (2.5/1 = dichloromethane/water). you are given a solution of 10 grams of caffeine dissolved in 100 ml water. you extract your caffeine solution 1 x 100 ml dichloromethane, and evaporate your dichloromethane layer. how much caffeine would you expect to isolate? a) 8.0 grams b) 7.5 grams c) 7.1 grams d) 6.5 grams e) 2.9 grams
Answers: 3
Chemistry, 22.06.2019 14:40, elawnnalewis4855
Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d
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Chemistry, 23.06.2019 02:20, theactualslash
In a chemical reaction, the final amount of the products is determined by the a. universal gas law b. law of definite proportions c. air pressure d. temperature e. none of the above me
Answers: 2
Suppose caffeine has a partition coefficient of 2.5 between dichloromethane and water (2.5/1 = dichl...
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