Determine the Boiling Point of a Solution That Contains 78

Multiple Choice

Determine the boiling point of a solution that contains 78.8 g of naphthalene (C₁₀H₈, molar mass = 128.16 g mol^-1) dissolved in 722 mL of benzene (d = 0.877 g mL^-1) . Pure benzene has a boiling point of 80.1 °C and a boiling point elevation constant of 2.53 °C m^-1.

A) 2.2 °C
B) 2.5 °C
C) 82.3 °C
D) 80.4 °C
E) 82.6 °C