Question

A)

Question 7 of 13 > Attempt 2 Solute S has a partition coefficient of 4.6 between water (phase 1) and hexane (phase 2). Calculate the concentration of solute S in hexane if [S]water is 0.020 M. [Shexane = If the volume of water is 67.0 mL and the volume of hexane is 20.0 mL, find the ratio of the moles of solute S in hexane to the moles of solute S in water. mol Sheuane mol Swaler

B)

Answer 1

Solution A) partion Cocficient, D walex 4.6 harxcng O.020 M hana 0-0043 4.6 4.6

moles af Solut in hetae X volume of Latane in Cihs herana 3 x 20x1o 0.00 43mot -5 8.6x10 r90a (S vofume ef wat n Ctres ints moles Softe in waa 3 O020 mot n1 3 134 xto mele mod Sane g-6k10reles Tatio, 0.0642 6.42 x10 3y xlo3molus mof ntes

e) Frachtnof Stue, s n in queous phase Nhee nro of extokon 5 70.092 141.4 cac '100 mL 51 XI40 mL t 70 0mL 0.495 Cs ed

Answer 2

B is missing the power of n (which is 5)

so it should be Qaq = (70.0mL / (5.1)(14.0mL)+70.0mL)^5

Qaq = 0.0297