Question

1
An ideal solution contains 3.4 moles of a substance and 10.5 moles of a solvent.
If the vapour pressure of a pure solvent is 43.2 x 10°Nm, find (i) vapour pressure of
a solution, (ii) relative vapour pressure of the solution, (iii) relative lowering of the
vapour pressure.

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Answer 1

Answer:

Psolution = P°A χA + P°B χB

solution of the formula

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