March 28, 2017

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The solubility of cholesterol in 95% ethanol is 32.5 mg/mL at 37°C and 11.5 mg/mL at 7°C. How much 95% ethanol is required to dissolve 1 g of cholesterol at 37°C? If that volume of warm, saturated solution is cooled in a refrigerator to 7°C, how much cholesterol will crystallize?

  • chemistry - ,

    1000 mg x (1 mL/32.5 mg) = ?? mL at 37 degrees C.

    How much will dissolve at 7 degrees C? That will be
    ??mL from above x (11.5 mg/mL) = ??

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