The data below are for the system 1,4 dioxane (1)/methanol(2) at 308.5 K. 

a) What is the saturation pressure of methanol at 308.5 K? 

b) What is the phase of a mixture that contains 60% dioxane at 308.5 K, 0.1 bar? 

c) Determine the bubble and dew pressures of a mixture that contains 60% dioxane at 308.5 K. 

These questions can be answered more easily if you plot the Pxy graph based on these data.

Transcribed Image Text:

P/bar X1 Y1 P/bar x1 Y1 0.280 0.000 0.000 0.217 0.614 0.263 0.277 0.056 0.044 0.202 0.677 0.297 0.274 0.106 0.073 0.181 0.771 0.367 0.270 0.167 0.102 0.157 0.841 0.446 0.264 0.232 0.130 0.141 0.886 0.512 0.907 0.573 0.250 0.378 0.175 0.130 0.240 0.459 0.204 0.119 0.930 0.63 0.228 0.553 0.234 0.081 1.000 1.000