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I have a question about passage II in phase I of chapter 6 in TBR. "What does NOT make CO2 ideal for decaffeinating coffee?"
My answer to this was "B. High solubility of caffeine in CO2". In the passage, it says that CO2 is used to extract caffeine from coffee beans. Isn't extraction where you separate fluids based on their relative insolubilities? Wouldn't this mean that caffeine is insoluble in CO2 if it can be extracted from it?
The answer they chose was "A. High boiling point of CO2 at 1 atm pressure". The bp of CO2 is not given in the passage.
My answer to this was "B. High solubility of caffeine in CO2". In the passage, it says that CO2 is used to extract caffeine from coffee beans. Isn't extraction where you separate fluids based on their relative insolubilities? Wouldn't this mean that caffeine is insoluble in CO2 if it can be extracted from it?
The answer they chose was "A. High boiling point of CO2 at 1 atm pressure". The bp of CO2 is not given in the passage.