A phase diagram of temperature versus composition for a mixture of the two volatile liquids octane (bp = 
and decane (bp = 126°C) is shown. 
-Assume that you start with a mixture containing 0.80 mol of decane and 0.20 mol of octane,what is the liquid composition at the boiling point?
Definitions:
Negligible Fraction
A very small part or amount that is considered insignificant in size or importance.
Purely Competitive Market
A market structure featuring many sellers offering identical products, leading to competition based on price rather than product differentiation.
Demand Curve
A chart that displays the connection between a product's price and the amount consumers want to buy.
Nonprice Competition
A marketing strategy wherein companies focus on product or service differentiation rather than on changing prices.
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