A solution containing 30 gms of non-volatile solute in exactly 90 gm water has a

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A solution containing 30 gms of non-volatile solute in exactly 90 gm water has a vapour pressure of 21.85 mm Hg at 25⁰C. Further 18 gms of water is then added to the solution. The resulting solution has a vapour pressure of 22.15 mm Hg at 25⁰C. Calculate the molecular weight of the solute.

Options:

A . 74.2

B . 75.6

C . 67.83

D . 78.7

Answer: Option C
:
C

A Solution Containing 30 Gms Of Non-volatile Solute In Exact...

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