Determine the freezing and boiling points of a solution composed of 15.0 g octane (C₈H₁₈) dissolved in 5.00 mol cyclohexane.

• A. T_f = 5.93°C; T_b = 85.4 °C
• B. T_f = 3.28 °C; T_b = 83.1 °C
• C. T_f = –0.0175 °C; T_b = 81.7 °C
• D. T_f = –0.123 °C; T_b = 80.9 °C

Answer: (C)