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chemical engineering mass transfer
1. When the liquid phase and vapour phase of a binary system obeys Raoult's and Dalton's law respectively, the relative volatility is the ratio of
(A): partial pressure of component A to the total pressure.
(B): vapour pressure of component A to that of component B.
(C): vapour pressure of component A to the partial pressure of A.
(D): vapour pressure of component A to the total pressure.
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