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1) The molarity of naphthaline in a solution of naphthalene (C10Hs, MW = 128.8), a non-ionizing...


1) The molarity of naphthaline in a solution of naphthalene (C10Hs, MW = 128.8), a non-ionizing and nonvolatile solute, and b
1) The molarity of naphthaline in a solution of naphthalene (C10Hs, MW = 128.8), a non-ionizing and nonvolatile solute, and benzene (CH, MW = 78.11), a volatile solvent, is [CyHx) = 0.122 M. The density of the solution is D- 0.8770 g/cm? Find the following: a) The osmotic pressure exerted by the solution, at T = 25.0 °C. Give your final answer in units of tot [8 points) b) Xn, the mole fraction of naphthalene in the solution. [15 points)
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1 Ca) Ciren, [colo - 0.122 M -0.122 mol/L Osmotic pressure (A) is given by the following equation T = CRT T= 0.122 mol/2x0.883 Now, mole fraction of naphthalene solution (XW) กN mutno 0-122 mol 0.122 mol + 11. Imel 0.122 mol XN 0.0108 Hence, XN 11. 2

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