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elena55 [62]
3 years ago
5

In the first step of the reaction, which compound is the limiting reagent: sodium hydroxide or the nucleophile

Chemistry
1 answer:
anastassius [24]3 years ago
5 0
Since the nucleophile is the actual attacking molecule or molecule that starts the reaction and allows for further steps in the mechanism to occur, it is the limiting reagent, as based on the amount of the nucleophile you have, the reaction will tend to proceed until you run out. The excess would be the sodium hydroxide, it is union part of the solution.
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Complete Question

A student is extracting caffeine from water with dichloromethane. The K value is 4.6. If the student starts with a total of 40 mg of caffeine in 2 mL of water and extracts once with 6 mL of dichloromethane

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The mass of  caffeine extracted is  P =  39.8 \ mg

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From the question above  we are told that

    The  K value is  K =  4.6

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      The  volume of water is  V  = 2 mL

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     The number of times the extraction was done is  n =  3

Generally the mass of  caffeine that will be  extracted is  

           P =  m  *  [\frac{V}{K *  v_c + V} ]^3

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           P =  40   *  [\frac{2}{4.6 *  2 + 2} ]^3

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