1.

The vapour pressure of ethyl alcohol at 298K is 40mm of Hg. Its mole fraction in a solution with methyl alcohol is 0.80. what is its vapoure pressure in solution. If the mixture obeys Raoult's law.

Answer»

8 mm HG
32 mm Hg
48 mm Hg
80 mm Hg

Solution :Vapour PRESSURE of ETHYL ALCOHOL
`=40xx0.80`
`=32` mm Hg


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