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1 mole heptane (V.P = 92 mm of Hg) is mi...

1 mole heptane `(V.P = 92 mm of Hg)` is mixed with 4 mol. Octane `(V.P = 31` mm of `Hg)`, form an ideal solution. Find out the vapour pressure of solution.

A

47.2mm of Hg

B

40.0 mm of Hg

C

43.2mm of Hg

D

38.4 mm of Hg

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B
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