A binary mixture has been prepared with substances A and B. The vapor pressure was measured above mixture and obtained t

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A binary mixture has been prepared with substances A and B. The
vapor pressure was measured above
mixture and obtained the following results:

𝜒A 0 0.20 0.40 0.60 0.80 1
pA / Torr 0 70 173 295 422 539
pB / Torr 701 551 391 237 101 0

Show that the mixture follows Raoult's law for the component that
has high
concentration and that the mixture follows Henry's law for the
component that has
low concentration.
Determine Henry's constant for both A and B.