Question

2. (40 pts) A system containing equal parts by mass of water, acetone, and methyl isobutyl ketone (MIBK) is in equilibrium at 25°C. Use the provided mass fraction ternary phase diagram to solve the following questions. H?O Acetone 95 (85) 80 75 Region A 65 b Region B 45 55 45 25 15X 5 5 MIBK a) (18 pts) Estimate the mass and composition (mass fraction) of each phase of the mixture. b) (5 pts) Determine the distribution coefficient of acetone in the organic phase relative to the aqueous phase. c) (5 pts) Determine the relative selectivity of acetone relative to water in the extract to raffinate. d) (12 pts) If an equal amount of MIBK is added to the raffinate from part a), what would the compositions of the resulting equilibrium mixtures be (not the masses, just compositions)?

          2. (40 pts) A system containing equal parts by mass of water, acetone, and methyl
isobutyl ketone (MIBK) is in equilibrium at 25°C. Use the provided mass fraction
ternary phase diagram to solve the following questions.
H?O
Acetone
95
(85)
80
75
Region A
65
b
Region B
45
55
45
25
15X
5
5
MIBK
a) (18 pts) Estimate the mass and composition (mass fraction) of each phase of
the mixture.
b) (5 pts) Determine the distribution coefficient of acetone in the organic phase
relative to the aqueous phase.
c) (5 pts) Determine the relative selectivity of acetone relative to water in the
extract to raffinate.
d) (12 pts) If an equal amount of MIBK is added to the raffinate from part a),
what would the compositions of the resulting equilibrium mixtures be (not
the masses, just compositions)?

$2. (40 pts) A system containing equal parts by mass of water, acetone, and methyl isobutyl ketone (MIBK) is in equilibrium at 25°C. Use the provided mass fraction ternary phase diagram to solve the following questions. H?O Acetone 95 (85) 80 75 Region A 65 b Region B 45 55 45 25 15X 5 5 MIBK a) (18 pts) Estimate the mass and composition (mass fraction) of each phase of the mixture. b) (5 pts) Determine the distribution coefficient of acetone in the organic phase relative to the aqueous phase. c) (5 pts) Determine the relative selectivity of acetone relative to water in the extract to raffinate. d) (12 pts) If an equal amount of MIBK is added to the raffinate from part a), what would the compositions of the resulting equilibrium mixtures be (not the masses, just compositions)?$

Added by Jane H.

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