For a mixture of $10$ mole $\%$ methane, $20$ mole $\%$ ethane, and $70$ mole $\%$ propane at $100$

C

$(283\mathrm{.}15$ K$),$ determine the

A$)$ The dew point pressure

B$)$ The bubble point pressure

The K$-$ values are given in the table.

The K$-$ values are given in the following table.

P $=6\mathrm{.}9$ bar P $=10\mathrm{.}34$ bar P $=8\mathrm{.}7$ bar

Species yi Ki Ki Ki

Methane $0\mathrm{.}12013\mathrm{.}216$

Ethane $0\mathrm{.}23\mathrm{.}252\mathrm{.}252\mathrm{.}65$

Propane $0\mathrm{.}70\mathrm{.}920\mathrm{.}650\mathrm{.}762$

P $=26\mathrm{.}2$ bar P $=27\mathrm{.}6$ bar P $=26\mathrm{.}54$ bar

Species xi Ki Ki Ki

Methane $0\mathrm{.}15\mathrm{.}605\mathrm{.}255\mathrm{.}49$

Ethane $0\mathrm{.}21\mathrm{.}111\mathrm{.}071\mathrm{.}10$

Propane $0\mathrm{.}70\mathrm{.}3350\mathrm{.}320\mathrm{.}33$