By measuring the equilibrium between liquid and vapour phases of a solution at 30°c at 1.00 atm, it was found that xa = 0.220 when ya = 0.314. calculate the activities and activity coefficients of both components in this solution on the raoult’s law basis. the vapour pressures of the pure components at this temperature are: pa = 73.0 kpa and pb = 92.1 kpa. (xa is the mole fraction in the liquid and ya the mole fraction in the vapour.)

The activity coefficients of both components in this solution are .

Explanation:

from the given,

Pressure = 1 atm = 101.3 kPa

The vapour pressures of pure components

Let's calculate the each activity coefficient:

Therefore, The activity coefficients of both components in this solution are .

"hydrogen bonding is the attraction of h atoms in the water molecule (slight + charge) to o atoms in a neighboring water molecule (slight - charge); it is a weak interatomic force. but it is still strong enough to the water molecules "stick" together."

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