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At a given temperature , total vapour pr...

At a given temperature , total vapour pressure (in Torr) of a mixture of volatile components A and B is given by
`"P"_("total")=120-785"X"_("B")`
hence, vapour pressure of pure A and B respectively (in Torr) are

A

120, 75

B

120, 195

C

120, 45

D

75, 45

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The correct Answer is:
B
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