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At 40^@C the vapour pressures in torr, o...

At `40^@C` the vapour pressures in torr, of methyl alcohol ethyl alcohol solutions is represented by the equation. `P=119X_A + 135,` where `X_A` is mole-fraction of methyl alcohol, then the value of `lim_(X_(Ararr1)) P_A/X_A` is:

A

254 torr

B

135 torr

C

119 torr

D

140 torr

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At 40^@C, the vapour pressures (in torr) of methyl alcohol (A) and ethyl alcohol (B) solution is represented by: P=120X_A + 138, where X_A is mole-fraction of methyl alcohol, then the value of lim X_A rarr 0 P_B^@/X_B and lim X_B rarr 0 P_A^@/X_A are:

How is vapour pressure (p_(1)) of a solution of a non­volatile solid in liquid related to the mole fraction (x_(1)) of the solvent ?

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