Lever Law Quiz 44

1
Lever Law Quiz 44 A
constant temperature tie-line on a two component
phase diagram intersects two different liquid
phases. Liquid phase 1 has a composition of 40.0
weight alcohol and liquid phase two has a
composition of 70.0 weight alcohol. If a
mixture of 24.0 grams of alcohol and 16.0 grams
of water is brought to equilibrium at this
temperature, calculate the grams of alcohol and
water in each phase.

2
overall composition 24.0 grams
/ (40.0 grams) 0.600 weight fraction
alcohol in the alcohol saturated water rich
phase mass of phase (40.0 grams)
(0.700 - 0.600) / (0.700 - 0.400) 13.3 grams
grams of alcohol in this phase (0.400)
(13.3 grams) 5.33 grams grams of
water in this phase 13.3 grams 5.33 grams
8.0 grams in the water saturated alcohol
rich phase total grams of phase 40.0 grams
13.3 grams 26.7 grams grams of alcohol in
this phase 24.0 grams 5.33 grams
18.7 grams grams of water in this phase 16.0
grams 8.0 grams 8.0 grams