Question

1 mole of heptane (vp=82 mm hg)was mixed with 4 moles of octane ( vp=31 mm hg) . The vapour pressure of resulting ideal solution is?

Answer 1

Answer:

Explanation:

pt=pa+pb

=p not a*mole fraction+p not b*mole fraction

=82*1/2+31/2

=113/2

56.5