The mole fraction of ethyl alcohol in its solution with methyl alcohol is `0.80.` The vapour pressure of ethyl alcohol in the solution is 40mm of Hg.
The mole fraction of ethyl alcohol in its solution with methyl alcohol is `0.80.` The vapour pressure of ethyl alcohol in the solution is 40mm of Hg. What is its vapour pressure in solution if the solution is ideal ?
A. 25mm
B. 30mm
C. 32mm
D. 20mm
11 views
1 Answers
Correct Answer - C
`p_(C_(2)H_(5)OH)=x_(C_(2)H_(5)OH^(xx))p_(C_(2)H_(5)OH)^(0)=0.80xx40mm=32mm`
11 views
Answered