Use the $T-x-y$ diagram for the hexane$-$octane system to answer the following questions.

$(1$ pt$)$ Which is the more volatile component?

$(1$ pt$)$ What is the dew point temperature of a $30\%$ hexane mixture?

$(2$ pts$)$ What is the range of hexane content that a superheated vapor can have at $100C?$

$(2pts$ If a $20$mol$\%$ hexane mixture is $50\%$ vaporized, what is the bubble point of the resulting vapor?

$(4pts$ If an equimolar mixture is $50\%$ vaporized, what is its temperature and what is the composition of the vapor and liquid?