Question

Dichloromethane 2. A sample of 19 mg of 9-fluorenone is dissolved in 5 mL of diethyl ether. The resulting organic solution is extracted with 10 mL of water. Assuming the Kp for 9-fluorenone in diethyl ether/water is 9.5, how much 9-fluorenone would remain in the ether layer? SHOW YOUR WORK FOR FULL CREDIT Kp = 9.5 = ((19-x)/5) / (x/10mL) 9.5/1 = ((19-x)/5) / (x/10) 9.5x = (19-x)2 9.5x = 38 - 2x 11.5x = 38 x = 3.3 (Handwritten work on image shows calculation resulting in x = 4.22)

          Dichloromethane
2. A sample of 19 mg of 9-fluorenone is dissolved in 5 mL of diethyl ether. The resulting organic solution is extracted with 10 mL of water. Assuming the Kp for 9-fluorenone in diethyl ether/water is 9.5, how much 9-fluorenone would remain in the ether layer? SHOW YOUR WORK FOR FULL CREDIT
Kp = 9.5 = ((19-x)/5) / (x/10mL)
9.5/1 = ((19-x)/5) / (x/10)
9.5x = (19-x)2
9.5x = 38 - 2x
11.5x = 38
x = 3.3
(Handwritten work on image shows calculation resulting in x = 4.22)

Dichloromethane
2. A sample of 19 mg of 9-fluorenone is dissolved in 5 mL of diethyl ether. The resulting organic solution is extracted with 10 mL of water. Assuming the Kp for 9-fluorenone in diethyl ether/water is 9.5, how much 9-fluorenone would remain in the ether layer? SHOW YOUR WORK FOR FULL CREDIT
Kp = 9.5 = ((19-x)/5) / (x/10mL)
9.5/1 = ((19-x)/5) / (x/10)
9.5x = (19-x)2
9.5x = 38 - 2x
11.5x = 38
x = 3.3
(Handwritten work on image shows calculation resulting in x = 4.22)

Added by Aaron B.

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