Question

2. To extract acetic acid (1) from dilute solutions in water (2), the solvent n-hexane (3) can be used. The non-ideality of the acid in the organic phase can be described by $G_{13}^{ex} = 1088x_1^{org}x_3^{org}$ J/mol The non-ideality of the acid in the aqueous phase can be described by $G_{12}^{ex} = 335x_1^{aq}x_2^{aq}$ J/mol (i) If it can be assumed that the water and n-hexane are completely immiscible, then estimate the mole fraction of the acid in the hexane phase when its mole fraction in the aqueous phase is 10 mol% at 10°C. (ii) If the temperature is increased to 35°C, what will be the equilibrium mole fraction of the acid in the hexane phase?

          2.
To extract acetic acid (1) from dilute solutions in water (2), the solvent n-hexane (3) can be
used.
The non-ideality of the acid in the organic phase can be described by
$G_{13}^{ex} = 1088x_1^{org}x_3^{org}$ J/mol
The non-ideality of the acid in the aqueous phase can be described by
$G_{12}^{ex} = 335x_1^{aq}x_2^{aq}$ J/mol
(i) If it can be assumed that the water and n-hexane are completely immiscible, then estimate
the mole fraction of the acid in the hexane phase when its mole fraction in the aqueous
phase is 10 mol% at 10°C.
(ii) If the temperature is increased to 35°C, what will be the equilibrium mole fraction of the
acid in the hexane phase?

$2. To extract acetic acid (1) from dilute solutions in water (2), the solvent n-hexane (3) can be used. The non-ideality of the acid in the organic phase can be described by G13^ex = 1088x1^orgx3^org J/mol The non-ideality of the acid in the aqueous phase can be described by G12^ex = 335x1^aqx2^aq J/mol (i) If it can be assumed that the water and n-hexane are completely immiscible, then estimate the mole fraction of the acid in the hexane phase when its mole fraction in the aqueous phase is 10 mol% at 10°C. (ii) If the temperature is increased to 35°C, what will be the equilibrium mole fraction of the acid in the hexane phase?$

Added by Shelby M.

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